diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 
diff --git a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
index 7287bff..b854dee 100644
--- a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
@@ -18,6 +18,7 @@
 
 class LoginActivity : KotlinBaseActivity<ActivityLoginBinding>() {
 
+    private val context = this
     private lateinit var authenticateViewModel: AuthenticateViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userViewModel: UserViewModel
@@ -67,7 +68,7 @@
             }
             SaveKeyValues.putValue(LocaleConstant.ACCOUNT, account)
             SaveKeyValues.putValue(LocaleConstant.PASSWORD, userPassword)
-            authenticateViewModel.obtainPublicKey()
+            authenticateViewModel.getPublicKey(this)
         }
         authenticateViewModel.keyModel.observe(this) {
             if (it.code == 200) {//用code判断，别的判断可能有坑
@@ -83,14 +84,14 @@
                 val dataByPublicKey =
                     RSAUtils.encryptDataByPublicKey(userPassword.toByteArray(), publicKey!!)
                 //登录并获取Token，POST请求
-                loginViewModel.enter(it.data!!.sid!!, account, dataByPublicKey)
+                loginViewModel.enter(context, it.data!!.sid!!, account, dataByPublicKey)
                 loginViewModel.enterResultModel.observe(this) { loginResult ->
                     if (loginResult.code == 200) {
                         AuthenticationHelper.saveToken(loginResult.data!!.token!!)
                         /**
                          * 获取token之后保存用户信息
                          * */
-                        userViewModel.obtainUserDetail()
+                        userViewModel.getUserDetail()
                         //验证成功登录
                         this.navigatePageTo<MainActivity>()
                         finish()

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 
diff --git a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
index 7287bff..b854dee 100644
--- a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
@@ -18,6 +18,7 @@
 
 class LoginActivity : KotlinBaseActivity<ActivityLoginBinding>() {
 
+    private val context = this
     private lateinit var authenticateViewModel: AuthenticateViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userViewModel: UserViewModel
@@ -67,7 +68,7 @@
             }
             SaveKeyValues.putValue(LocaleConstant.ACCOUNT, account)
             SaveKeyValues.putValue(LocaleConstant.PASSWORD, userPassword)
-            authenticateViewModel.obtainPublicKey()
+            authenticateViewModel.getPublicKey(this)
         }
         authenticateViewModel.keyModel.observe(this) {
             if (it.code == 200) {//用code判断，别的判断可能有坑
@@ -83,14 +84,14 @@
                 val dataByPublicKey =
                     RSAUtils.encryptDataByPublicKey(userPassword.toByteArray(), publicKey!!)
                 //登录并获取Token，POST请求
-                loginViewModel.enter(it.data!!.sid!!, account, dataByPublicKey)
+                loginViewModel.enter(context, it.data!!.sid!!, account, dataByPublicKey)
                 loginViewModel.enterResultModel.observe(this) { loginResult ->
                     if (loginResult.code == 200) {
                         AuthenticationHelper.saveToken(loginResult.data!!.token!!)
                         /**
                          * 获取token之后保存用户信息
                          * */
-                        userViewModel.obtainUserDetail()
+                        userViewModel.getUserDetail()
                         //验证成功登录
                         this.navigatePageTo<MainActivity>()
                         finish()
diff --git a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
index 7a8c8c8..50eced4 100644
--- a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
@@ -45,7 +45,7 @@
 
     private val countDownTimer = object : CountDownTimer(1000, 500) {
         override fun onFinish() {
-            userDetailViewModel.obtainUserDetail()
+            userDetailViewModel.getUserDetail()
         }
 
         override fun onTick(millisUntilFinished: Long) {

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 
diff --git a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
index 7287bff..b854dee 100644
--- a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
@@ -18,6 +18,7 @@
 
 class LoginActivity : KotlinBaseActivity<ActivityLoginBinding>() {
 
+    private val context = this
     private lateinit var authenticateViewModel: AuthenticateViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userViewModel: UserViewModel
@@ -67,7 +68,7 @@
             }
             SaveKeyValues.putValue(LocaleConstant.ACCOUNT, account)
             SaveKeyValues.putValue(LocaleConstant.PASSWORD, userPassword)
-            authenticateViewModel.obtainPublicKey()
+            authenticateViewModel.getPublicKey(this)
         }
         authenticateViewModel.keyModel.observe(this) {
             if (it.code == 200) {//用code判断，别的判断可能有坑
@@ -83,14 +84,14 @@
                 val dataByPublicKey =
                     RSAUtils.encryptDataByPublicKey(userPassword.toByteArray(), publicKey!!)
                 //登录并获取Token，POST请求
-                loginViewModel.enter(it.data!!.sid!!, account, dataByPublicKey)
+                loginViewModel.enter(context, it.data!!.sid!!, account, dataByPublicKey)
                 loginViewModel.enterResultModel.observe(this) { loginResult ->
                     if (loginResult.code == 200) {
                         AuthenticationHelper.saveToken(loginResult.data!!.token!!)
                         /**
                          * 获取token之后保存用户信息
                          * */
-                        userViewModel.obtainUserDetail()
+                        userViewModel.getUserDetail()
                         //验证成功登录
                         this.navigatePageTo<MainActivity>()
                         finish()
diff --git a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
index 7a8c8c8..50eced4 100644
--- a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
@@ -45,7 +45,7 @@
 
     private val countDownTimer = object : CountDownTimer(1000, 500) {
         override fun onFinish() {
-            userDetailViewModel.obtainUserDetail()
+            userDetailViewModel.getUserDetail()
         }
 
         override fun onTick(millisUntilFinished: Long) {
diff --git a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
index e35983e..6127c1b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.AreaModel
@@ -24,7 +24,7 @@
     val districtModel = MutableLiveData<DistrictModel>()
     val streetModel = MutableLiveData<StreetModel>()
 
-    fun obtainPublicKey() = launch({
+    fun getPublicKey(context: Context) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.authenticate()
         val responseCode = response.separateResponseCode()
@@ -33,7 +33,7 @@
                 response, object : TypeToken<PublicKeyModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -42,15 +42,15 @@
     /**
      * 根据部门获取区ID
      */
-    fun obtainAreaByDept(deptId: String) = launch({
-        val response = RetrofitServiceManager.obtainAreaByDept(deptId)
+    fun getAreaByDept(context: Context, deptId: String) = launch({
+        val response = RetrofitServiceManager.getAreaByDept(deptId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             areaModel.value = gson.fromJson<AreaModel>(
                 response, object : TypeToken<AreaModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -59,15 +59,15 @@
     /**
      * 区/县等
      */
-    fun obtainDistrict(pid: String) = launch({
-        val response = RetrofitServiceManager.obtainDistrict(pid)
+    fun getDistrict(context: Context, pid: String) = launch({
+        val response = RetrofitServiceManager.getDistrict(pid)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             districtModel.value = gson.fromJson<DistrictModel>(
                 response, object : TypeToken<DistrictModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -76,15 +76,15 @@
     /**
      * 街道
      */
-    fun obtainStreet(areaId: String) = launch({
-        val response = RetrofitServiceManager.obtainStreet(areaId)
+    fun getStreet(context: Context, areaId: String) = launch({
+        val response = RetrofitServiceManager.getStreet(areaId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             streetModel.value = gson.fromJson<StreetModel>(
                 response, object : TypeToken<StreetModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 
diff --git a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
index 7287bff..b854dee 100644
--- a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
@@ -18,6 +18,7 @@
 
 class LoginActivity : KotlinBaseActivity<ActivityLoginBinding>() {
 
+    private val context = this
     private lateinit var authenticateViewModel: AuthenticateViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userViewModel: UserViewModel
@@ -67,7 +68,7 @@
             }
             SaveKeyValues.putValue(LocaleConstant.ACCOUNT, account)
             SaveKeyValues.putValue(LocaleConstant.PASSWORD, userPassword)
-            authenticateViewModel.obtainPublicKey()
+            authenticateViewModel.getPublicKey(this)
         }
         authenticateViewModel.keyModel.observe(this) {
             if (it.code == 200) {//用code判断，别的判断可能有坑
@@ -83,14 +84,14 @@
                 val dataByPublicKey =
                     RSAUtils.encryptDataByPublicKey(userPassword.toByteArray(), publicKey!!)
                 //登录并获取Token，POST请求
-                loginViewModel.enter(it.data!!.sid!!, account, dataByPublicKey)
+                loginViewModel.enter(context, it.data!!.sid!!, account, dataByPublicKey)
                 loginViewModel.enterResultModel.observe(this) { loginResult ->
                     if (loginResult.code == 200) {
                         AuthenticationHelper.saveToken(loginResult.data!!.token!!)
                         /**
                          * 获取token之后保存用户信息
                          * */
-                        userViewModel.obtainUserDetail()
+                        userViewModel.getUserDetail()
                         //验证成功登录
                         this.navigatePageTo<MainActivity>()
                         finish()
diff --git a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
index 7a8c8c8..50eced4 100644
--- a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
@@ -45,7 +45,7 @@
 
     private val countDownTimer = object : CountDownTimer(1000, 500) {
         override fun onFinish() {
-            userDetailViewModel.obtainUserDetail()
+            userDetailViewModel.getUserDetail()
         }
 
         override fun onTick(millisUntilFinished: Long) {
diff --git a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
index e35983e..6127c1b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.AreaModel
@@ -24,7 +24,7 @@
     val districtModel = MutableLiveData<DistrictModel>()
     val streetModel = MutableLiveData<StreetModel>()
 
-    fun obtainPublicKey() = launch({
+    fun getPublicKey(context: Context) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.authenticate()
         val responseCode = response.separateResponseCode()
@@ -33,7 +33,7 @@
                 response, object : TypeToken<PublicKeyModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -42,15 +42,15 @@
     /**
      * 根据部门获取区ID
      */
-    fun obtainAreaByDept(deptId: String) = launch({
-        val response = RetrofitServiceManager.obtainAreaByDept(deptId)
+    fun getAreaByDept(context: Context, deptId: String) = launch({
+        val response = RetrofitServiceManager.getAreaByDept(deptId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             areaModel.value = gson.fromJson<AreaModel>(
                 response, object : TypeToken<AreaModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -59,15 +59,15 @@
     /**
      * 区/县等
      */
-    fun obtainDistrict(pid: String) = launch({
-        val response = RetrofitServiceManager.obtainDistrict(pid)
+    fun getDistrict(context: Context, pid: String) = launch({
+        val response = RetrofitServiceManager.getDistrict(pid)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             districtModel.value = gson.fromJson<DistrictModel>(
                 response, object : TypeToken<DistrictModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -76,15 +76,15 @@
     /**
      * 街道
      */
-    fun obtainStreet(areaId: String) = launch({
-        val response = RetrofitServiceManager.obtainStreet(areaId)
+    fun getStreet(context: Context, areaId: String) = launch({
+        val response = RetrofitServiceManager.getStreet(areaId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             streetModel.value = gson.fromJson<StreetModel>(
                 response, object : TypeToken<StreetModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
index 4466dd8..66f235b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val lastDataModel = MutableLiveData<LastDataModel>()
     val deleteResult = MutableLiveData<CommonResultModel>()
 
-    fun getMapDeviceList() = launch({
+    fun getMapDeviceList(context: Context) = launch({
         val response = RetrofitServiceManager.getMapDeviceList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,15 +34,15 @@
                 response, object : TypeToken<MapDeviceModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun obtainDeviceDetail(groupId: String, tubeId: String) = launch({
+    fun getDeviceDetail(context: Context, groupId: String, tubeId: String) = launch({
         loadState.value = LoadState.Loading
-        val response = RetrofitServiceManager.obtainDeviceDetail(groupId, tubeId)
+        val response = RetrofitServiceManager.getDeviceDetail(groupId, tubeId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -51,14 +51,15 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainDeviceHistoryData(
+    fun getDeviceHistoryData(
+        context: Context,
         groupId: String,
         devcode: String,
         beginTime: String?,
@@ -66,7 +67,7 @@
     ) = launch({
         loadState.value = LoadState.Loading
         val response =
-            RetrofitServiceManager.obtainDeviceHistoryData(groupId, devcode, beginTime, endTime)
+            RetrofitServiceManager.getDeviceHistoryData(groupId, devcode, beginTime, endTime)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -75,26 +76,28 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainTubeLastData(groupId: String, devcode: String) = launch({
-        val response = RetrofitServiceManager.obtainTubeLastData(groupId, devcode)
+    fun getTubeLastData(context: Context, groupId: String, devcode: String) = launch({
+        val response = RetrofitServiceManager.getTubeLastData(groupId, devcode)
         when (response.separateResponseCode()) {
             200 -> {
                 lastDataModel.value = gson.fromJson<LastDataModel>(
                     response, object : TypeToken<LastDataModel>() {}.type
                 )
             }
+
             500 -> {
                 lastDataModel.value = LastDataModel()
             }
+
             else -> {
-                response.toErrorMessage().show(BaseApplication.obtainInstance())
+                response.toErrorMessage().show(context)
             }
         }
     }, {
@@ -103,6 +106,7 @@
     })
 
     fun addDevice(
+        context: Context,
         deviceCode: String,
         deviceName: String,
         ownerShip: String,
@@ -134,14 +138,14 @@
             loadState.value = LoadState.Success
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun deleteDeviceById(ids: List<Long>) = launch({
+    fun deleteDeviceById(context: Context, ids: List<Long>) = launch({
         val response = RetrofitServiceManager.deleteDeviceById(ids)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -149,7 +153,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 
diff --git a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
index 7287bff..b854dee 100644
--- a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
@@ -18,6 +18,7 @@
 
 class LoginActivity : KotlinBaseActivity<ActivityLoginBinding>() {
 
+    private val context = this
     private lateinit var authenticateViewModel: AuthenticateViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userViewModel: UserViewModel
@@ -67,7 +68,7 @@
             }
             SaveKeyValues.putValue(LocaleConstant.ACCOUNT, account)
             SaveKeyValues.putValue(LocaleConstant.PASSWORD, userPassword)
-            authenticateViewModel.obtainPublicKey()
+            authenticateViewModel.getPublicKey(this)
         }
         authenticateViewModel.keyModel.observe(this) {
             if (it.code == 200) {//用code判断，别的判断可能有坑
@@ -83,14 +84,14 @@
                 val dataByPublicKey =
                     RSAUtils.encryptDataByPublicKey(userPassword.toByteArray(), publicKey!!)
                 //登录并获取Token，POST请求
-                loginViewModel.enter(it.data!!.sid!!, account, dataByPublicKey)
+                loginViewModel.enter(context, it.data!!.sid!!, account, dataByPublicKey)
                 loginViewModel.enterResultModel.observe(this) { loginResult ->
                     if (loginResult.code == 200) {
                         AuthenticationHelper.saveToken(loginResult.data!!.token!!)
                         /**
                          * 获取token之后保存用户信息
                          * */
-                        userViewModel.obtainUserDetail()
+                        userViewModel.getUserDetail()
                         //验证成功登录
                         this.navigatePageTo<MainActivity>()
                         finish()
diff --git a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
index 7a8c8c8..50eced4 100644
--- a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
@@ -45,7 +45,7 @@
 
     private val countDownTimer = object : CountDownTimer(1000, 500) {
         override fun onFinish() {
-            userDetailViewModel.obtainUserDetail()
+            userDetailViewModel.getUserDetail()
         }
 
         override fun onTick(millisUntilFinished: Long) {
diff --git a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
index e35983e..6127c1b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.AreaModel
@@ -24,7 +24,7 @@
     val districtModel = MutableLiveData<DistrictModel>()
     val streetModel = MutableLiveData<StreetModel>()
 
-    fun obtainPublicKey() = launch({
+    fun getPublicKey(context: Context) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.authenticate()
         val responseCode = response.separateResponseCode()
@@ -33,7 +33,7 @@
                 response, object : TypeToken<PublicKeyModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -42,15 +42,15 @@
     /**
      * 根据部门获取区ID
      */
-    fun obtainAreaByDept(deptId: String) = launch({
-        val response = RetrofitServiceManager.obtainAreaByDept(deptId)
+    fun getAreaByDept(context: Context, deptId: String) = launch({
+        val response = RetrofitServiceManager.getAreaByDept(deptId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             areaModel.value = gson.fromJson<AreaModel>(
                 response, object : TypeToken<AreaModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -59,15 +59,15 @@
     /**
      * 区/县等
      */
-    fun obtainDistrict(pid: String) = launch({
-        val response = RetrofitServiceManager.obtainDistrict(pid)
+    fun getDistrict(context: Context, pid: String) = launch({
+        val response = RetrofitServiceManager.getDistrict(pid)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             districtModel.value = gson.fromJson<DistrictModel>(
                 response, object : TypeToken<DistrictModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -76,15 +76,15 @@
     /**
      * 街道
      */
-    fun obtainStreet(areaId: String) = launch({
-        val response = RetrofitServiceManager.obtainStreet(areaId)
+    fun getStreet(context: Context, areaId: String) = launch({
+        val response = RetrofitServiceManager.getStreet(areaId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             streetModel.value = gson.fromJson<StreetModel>(
                 response, object : TypeToken<StreetModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
index 4466dd8..66f235b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val lastDataModel = MutableLiveData<LastDataModel>()
     val deleteResult = MutableLiveData<CommonResultModel>()
 
-    fun getMapDeviceList() = launch({
+    fun getMapDeviceList(context: Context) = launch({
         val response = RetrofitServiceManager.getMapDeviceList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,15 +34,15 @@
                 response, object : TypeToken<MapDeviceModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun obtainDeviceDetail(groupId: String, tubeId: String) = launch({
+    fun getDeviceDetail(context: Context, groupId: String, tubeId: String) = launch({
         loadState.value = LoadState.Loading
-        val response = RetrofitServiceManager.obtainDeviceDetail(groupId, tubeId)
+        val response = RetrofitServiceManager.getDeviceDetail(groupId, tubeId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -51,14 +51,15 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainDeviceHistoryData(
+    fun getDeviceHistoryData(
+        context: Context,
         groupId: String,
         devcode: String,
         beginTime: String?,
@@ -66,7 +67,7 @@
     ) = launch({
         loadState.value = LoadState.Loading
         val response =
-            RetrofitServiceManager.obtainDeviceHistoryData(groupId, devcode, beginTime, endTime)
+            RetrofitServiceManager.getDeviceHistoryData(groupId, devcode, beginTime, endTime)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -75,26 +76,28 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainTubeLastData(groupId: String, devcode: String) = launch({
-        val response = RetrofitServiceManager.obtainTubeLastData(groupId, devcode)
+    fun getTubeLastData(context: Context, groupId: String, devcode: String) = launch({
+        val response = RetrofitServiceManager.getTubeLastData(groupId, devcode)
         when (response.separateResponseCode()) {
             200 -> {
                 lastDataModel.value = gson.fromJson<LastDataModel>(
                     response, object : TypeToken<LastDataModel>() {}.type
                 )
             }
+
             500 -> {
                 lastDataModel.value = LastDataModel()
             }
+
             else -> {
-                response.toErrorMessage().show(BaseApplication.obtainInstance())
+                response.toErrorMessage().show(context)
             }
         }
     }, {
@@ -103,6 +106,7 @@
     })
 
     fun addDevice(
+        context: Context,
         deviceCode: String,
         deviceName: String,
         ownerShip: String,
@@ -134,14 +138,14 @@
             loadState.value = LoadState.Success
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun deleteDeviceById(ids: List<Long>) = launch({
+    fun deleteDeviceById(context: Context, ids: List<Long>) = launch({
         val response = RetrofitServiceManager.deleteDeviceById(ids)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -149,7 +153,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
index de8c83f..2632d37 100644
--- a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -20,25 +20,25 @@
     val enterResultModel = MutableLiveData<LoginResultModel>()
     val outResultModel = MutableLiveData<CommonResultModel>()
 
-    fun enter(sid: String, account: String, secretKey: String) = launch({
+    fun enter(context: Context, sid: String, account: String, secretKey: String) = launch({
         val response = RetrofitServiceManager.login(sid, account, secretKey)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
-            "登录成功".show(BaseApplication.obtainInstance())
+            "登录成功".show(context)
             enterResultModel.value = gson.fromJson<LoginResultModel>(
                 response, object : TypeToken<LoginResultModel>() {}.type
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun out() = launch({
+    fun out(context: Context) = launch({
         val response = RetrofitServiceManager.loginOut()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -46,7 +46,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 
diff --git a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
index 7287bff..b854dee 100644
--- a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
@@ -18,6 +18,7 @@
 
 class LoginActivity : KotlinBaseActivity<ActivityLoginBinding>() {
 
+    private val context = this
     private lateinit var authenticateViewModel: AuthenticateViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userViewModel: UserViewModel
@@ -67,7 +68,7 @@
             }
             SaveKeyValues.putValue(LocaleConstant.ACCOUNT, account)
             SaveKeyValues.putValue(LocaleConstant.PASSWORD, userPassword)
-            authenticateViewModel.obtainPublicKey()
+            authenticateViewModel.getPublicKey(this)
         }
         authenticateViewModel.keyModel.observe(this) {
             if (it.code == 200) {//用code判断，别的判断可能有坑
@@ -83,14 +84,14 @@
                 val dataByPublicKey =
                     RSAUtils.encryptDataByPublicKey(userPassword.toByteArray(), publicKey!!)
                 //登录并获取Token，POST请求
-                loginViewModel.enter(it.data!!.sid!!, account, dataByPublicKey)
+                loginViewModel.enter(context, it.data!!.sid!!, account, dataByPublicKey)
                 loginViewModel.enterResultModel.observe(this) { loginResult ->
                     if (loginResult.code == 200) {
                         AuthenticationHelper.saveToken(loginResult.data!!.token!!)
                         /**
                          * 获取token之后保存用户信息
                          * */
-                        userViewModel.obtainUserDetail()
+                        userViewModel.getUserDetail()
                         //验证成功登录
                         this.navigatePageTo<MainActivity>()
                         finish()
diff --git a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
index 7a8c8c8..50eced4 100644
--- a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
@@ -45,7 +45,7 @@
 
     private val countDownTimer = object : CountDownTimer(1000, 500) {
         override fun onFinish() {
-            userDetailViewModel.obtainUserDetail()
+            userDetailViewModel.getUserDetail()
         }
 
         override fun onTick(millisUntilFinished: Long) {
diff --git a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
index e35983e..6127c1b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.AreaModel
@@ -24,7 +24,7 @@
     val districtModel = MutableLiveData<DistrictModel>()
     val streetModel = MutableLiveData<StreetModel>()
 
-    fun obtainPublicKey() = launch({
+    fun getPublicKey(context: Context) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.authenticate()
         val responseCode = response.separateResponseCode()
@@ -33,7 +33,7 @@
                 response, object : TypeToken<PublicKeyModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -42,15 +42,15 @@
     /**
      * 根据部门获取区ID
      */
-    fun obtainAreaByDept(deptId: String) = launch({
-        val response = RetrofitServiceManager.obtainAreaByDept(deptId)
+    fun getAreaByDept(context: Context, deptId: String) = launch({
+        val response = RetrofitServiceManager.getAreaByDept(deptId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             areaModel.value = gson.fromJson<AreaModel>(
                 response, object : TypeToken<AreaModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -59,15 +59,15 @@
     /**
      * 区/县等
      */
-    fun obtainDistrict(pid: String) = launch({
-        val response = RetrofitServiceManager.obtainDistrict(pid)
+    fun getDistrict(context: Context, pid: String) = launch({
+        val response = RetrofitServiceManager.getDistrict(pid)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             districtModel.value = gson.fromJson<DistrictModel>(
                 response, object : TypeToken<DistrictModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -76,15 +76,15 @@
     /**
      * 街道
      */
-    fun obtainStreet(areaId: String) = launch({
-        val response = RetrofitServiceManager.obtainStreet(areaId)
+    fun getStreet(context: Context, areaId: String) = launch({
+        val response = RetrofitServiceManager.getStreet(areaId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             streetModel.value = gson.fromJson<StreetModel>(
                 response, object : TypeToken<StreetModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
index 4466dd8..66f235b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val lastDataModel = MutableLiveData<LastDataModel>()
     val deleteResult = MutableLiveData<CommonResultModel>()
 
-    fun getMapDeviceList() = launch({
+    fun getMapDeviceList(context: Context) = launch({
         val response = RetrofitServiceManager.getMapDeviceList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,15 +34,15 @@
                 response, object : TypeToken<MapDeviceModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun obtainDeviceDetail(groupId: String, tubeId: String) = launch({
+    fun getDeviceDetail(context: Context, groupId: String, tubeId: String) = launch({
         loadState.value = LoadState.Loading
-        val response = RetrofitServiceManager.obtainDeviceDetail(groupId, tubeId)
+        val response = RetrofitServiceManager.getDeviceDetail(groupId, tubeId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -51,14 +51,15 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainDeviceHistoryData(
+    fun getDeviceHistoryData(
+        context: Context,
         groupId: String,
         devcode: String,
         beginTime: String?,
@@ -66,7 +67,7 @@
     ) = launch({
         loadState.value = LoadState.Loading
         val response =
-            RetrofitServiceManager.obtainDeviceHistoryData(groupId, devcode, beginTime, endTime)
+            RetrofitServiceManager.getDeviceHistoryData(groupId, devcode, beginTime, endTime)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -75,26 +76,28 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainTubeLastData(groupId: String, devcode: String) = launch({
-        val response = RetrofitServiceManager.obtainTubeLastData(groupId, devcode)
+    fun getTubeLastData(context: Context, groupId: String, devcode: String) = launch({
+        val response = RetrofitServiceManager.getTubeLastData(groupId, devcode)
         when (response.separateResponseCode()) {
             200 -> {
                 lastDataModel.value = gson.fromJson<LastDataModel>(
                     response, object : TypeToken<LastDataModel>() {}.type
                 )
             }
+
             500 -> {
                 lastDataModel.value = LastDataModel()
             }
+
             else -> {
-                response.toErrorMessage().show(BaseApplication.obtainInstance())
+                response.toErrorMessage().show(context)
             }
         }
     }, {
@@ -103,6 +106,7 @@
     })
 
     fun addDevice(
+        context: Context,
         deviceCode: String,
         deviceName: String,
         ownerShip: String,
@@ -134,14 +138,14 @@
             loadState.value = LoadState.Success
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun deleteDeviceById(ids: List<Long>) = launch({
+    fun deleteDeviceById(context: Context, ids: List<Long>) = launch({
         val response = RetrofitServiceManager.deleteDeviceById(ids)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -149,7 +153,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
index de8c83f..2632d37 100644
--- a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -20,25 +20,25 @@
     val enterResultModel = MutableLiveData<LoginResultModel>()
     val outResultModel = MutableLiveData<CommonResultModel>()
 
-    fun enter(sid: String, account: String, secretKey: String) = launch({
+    fun enter(context: Context, sid: String, account: String, secretKey: String) = launch({
         val response = RetrofitServiceManager.login(sid, account, secretKey)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
-            "登录成功".show(BaseApplication.obtainInstance())
+            "登录成功".show(context)
             enterResultModel.value = gson.fromJson<LoginResultModel>(
                 response, object : TypeToken<LoginResultModel>() {}.type
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun out() = launch({
+    fun out(context: Context) = launch({
         val response = RetrofitServiceManager.loginOut()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -46,7 +46,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
index c873077..6cbe323 100644
--- a/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val groupListModel = MutableLiveData<GroupListModel>()
     val changeGroupResult = MutableLiveData<CommonResultModel>()
 
-    fun getProGroupList() = launch({
+    fun getProGroupList(context: Context) = launch({
         val response = RetrofitServiceManager.getProGroupList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,13 +34,13 @@
                 response, object : TypeToken<ProjectGroupModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun getDeviceListByGroup(wellGroupId: String) = launch({
+    fun getDeviceListByGroup(context: Context, wellGroupId: String) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.getDeviceListByGroup(wellGroupId)
         val responseCode = response.separateResponseCode()
@@ -51,14 +51,14 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun getDeviceListByPage(groupId: String, order: Int, page: Int) = launch({
+    fun getDeviceListByPage(context: Context, groupId: String, order: Int, page: Int) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.getDeviceListByPage(groupId, order, page)
         val responseCode = response.separateResponseCode()
@@ -69,14 +69,14 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun getGroupList() = launch({
+    fun getGroupList(context: Context) = launch({
         val response = RetrofitServiceManager.getGroupList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -84,13 +84,13 @@
                 response, object : TypeToken<GroupListModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun changeGroupId(oldGroupId: String, newGroupId: String) = launch({
+    fun changeGroupId(context: Context, oldGroupId: String, newGroupId: String) = launch({
         val response = RetrofitServiceManager.changeGroupId(oldGroupId, newGroupId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -98,7 +98,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 
diff --git a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
index 7287bff..b854dee 100644
--- a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
@@ -18,6 +18,7 @@
 
 class LoginActivity : KotlinBaseActivity<ActivityLoginBinding>() {
 
+    private val context = this
     private lateinit var authenticateViewModel: AuthenticateViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userViewModel: UserViewModel
@@ -67,7 +68,7 @@
             }
             SaveKeyValues.putValue(LocaleConstant.ACCOUNT, account)
             SaveKeyValues.putValue(LocaleConstant.PASSWORD, userPassword)
-            authenticateViewModel.obtainPublicKey()
+            authenticateViewModel.getPublicKey(this)
         }
         authenticateViewModel.keyModel.observe(this) {
             if (it.code == 200) {//用code判断，别的判断可能有坑
@@ -83,14 +84,14 @@
                 val dataByPublicKey =
                     RSAUtils.encryptDataByPublicKey(userPassword.toByteArray(), publicKey!!)
                 //登录并获取Token，POST请求
-                loginViewModel.enter(it.data!!.sid!!, account, dataByPublicKey)
+                loginViewModel.enter(context, it.data!!.sid!!, account, dataByPublicKey)
                 loginViewModel.enterResultModel.observe(this) { loginResult ->
                     if (loginResult.code == 200) {
                         AuthenticationHelper.saveToken(loginResult.data!!.token!!)
                         /**
                          * 获取token之后保存用户信息
                          * */
-                        userViewModel.obtainUserDetail()
+                        userViewModel.getUserDetail()
                         //验证成功登录
                         this.navigatePageTo<MainActivity>()
                         finish()
diff --git a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
index 7a8c8c8..50eced4 100644
--- a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
@@ -45,7 +45,7 @@
 
     private val countDownTimer = object : CountDownTimer(1000, 500) {
         override fun onFinish() {
-            userDetailViewModel.obtainUserDetail()
+            userDetailViewModel.getUserDetail()
         }
 
         override fun onTick(millisUntilFinished: Long) {
diff --git a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
index e35983e..6127c1b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.AreaModel
@@ -24,7 +24,7 @@
     val districtModel = MutableLiveData<DistrictModel>()
     val streetModel = MutableLiveData<StreetModel>()
 
-    fun obtainPublicKey() = launch({
+    fun getPublicKey(context: Context) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.authenticate()
         val responseCode = response.separateResponseCode()
@@ -33,7 +33,7 @@
                 response, object : TypeToken<PublicKeyModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -42,15 +42,15 @@
     /**
      * 根据部门获取区ID
      */
-    fun obtainAreaByDept(deptId: String) = launch({
-        val response = RetrofitServiceManager.obtainAreaByDept(deptId)
+    fun getAreaByDept(context: Context, deptId: String) = launch({
+        val response = RetrofitServiceManager.getAreaByDept(deptId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             areaModel.value = gson.fromJson<AreaModel>(
                 response, object : TypeToken<AreaModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -59,15 +59,15 @@
     /**
      * 区/县等
      */
-    fun obtainDistrict(pid: String) = launch({
-        val response = RetrofitServiceManager.obtainDistrict(pid)
+    fun getDistrict(context: Context, pid: String) = launch({
+        val response = RetrofitServiceManager.getDistrict(pid)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             districtModel.value = gson.fromJson<DistrictModel>(
                 response, object : TypeToken<DistrictModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -76,15 +76,15 @@
     /**
      * 街道
      */
-    fun obtainStreet(areaId: String) = launch({
-        val response = RetrofitServiceManager.obtainStreet(areaId)
+    fun getStreet(context: Context, areaId: String) = launch({
+        val response = RetrofitServiceManager.getStreet(areaId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             streetModel.value = gson.fromJson<StreetModel>(
                 response, object : TypeToken<StreetModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
index 4466dd8..66f235b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val lastDataModel = MutableLiveData<LastDataModel>()
     val deleteResult = MutableLiveData<CommonResultModel>()
 
-    fun getMapDeviceList() = launch({
+    fun getMapDeviceList(context: Context) = launch({
         val response = RetrofitServiceManager.getMapDeviceList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,15 +34,15 @@
                 response, object : TypeToken<MapDeviceModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun obtainDeviceDetail(groupId: String, tubeId: String) = launch({
+    fun getDeviceDetail(context: Context, groupId: String, tubeId: String) = launch({
         loadState.value = LoadState.Loading
-        val response = RetrofitServiceManager.obtainDeviceDetail(groupId, tubeId)
+        val response = RetrofitServiceManager.getDeviceDetail(groupId, tubeId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -51,14 +51,15 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainDeviceHistoryData(
+    fun getDeviceHistoryData(
+        context: Context,
         groupId: String,
         devcode: String,
         beginTime: String?,
@@ -66,7 +67,7 @@
     ) = launch({
         loadState.value = LoadState.Loading
         val response =
-            RetrofitServiceManager.obtainDeviceHistoryData(groupId, devcode, beginTime, endTime)
+            RetrofitServiceManager.getDeviceHistoryData(groupId, devcode, beginTime, endTime)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -75,26 +76,28 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainTubeLastData(groupId: String, devcode: String) = launch({
-        val response = RetrofitServiceManager.obtainTubeLastData(groupId, devcode)
+    fun getTubeLastData(context: Context, groupId: String, devcode: String) = launch({
+        val response = RetrofitServiceManager.getTubeLastData(groupId, devcode)
         when (response.separateResponseCode()) {
             200 -> {
                 lastDataModel.value = gson.fromJson<LastDataModel>(
                     response, object : TypeToken<LastDataModel>() {}.type
                 )
             }
+
             500 -> {
                 lastDataModel.value = LastDataModel()
             }
+
             else -> {
-                response.toErrorMessage().show(BaseApplication.obtainInstance())
+                response.toErrorMessage().show(context)
             }
         }
     }, {
@@ -103,6 +106,7 @@
     })
 
     fun addDevice(
+        context: Context,
         deviceCode: String,
         deviceName: String,
         ownerShip: String,
@@ -134,14 +138,14 @@
             loadState.value = LoadState.Success
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun deleteDeviceById(ids: List<Long>) = launch({
+    fun deleteDeviceById(context: Context, ids: List<Long>) = launch({
         val response = RetrofitServiceManager.deleteDeviceById(ids)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -149,7 +153,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
index de8c83f..2632d37 100644
--- a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -20,25 +20,25 @@
     val enterResultModel = MutableLiveData<LoginResultModel>()
     val outResultModel = MutableLiveData<CommonResultModel>()
 
-    fun enter(sid: String, account: String, secretKey: String) = launch({
+    fun enter(context: Context, sid: String, account: String, secretKey: String) = launch({
         val response = RetrofitServiceManager.login(sid, account, secretKey)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
-            "登录成功".show(BaseApplication.obtainInstance())
+            "登录成功".show(context)
             enterResultModel.value = gson.fromJson<LoginResultModel>(
                 response, object : TypeToken<LoginResultModel>() {}.type
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun out() = launch({
+    fun out(context: Context) = launch({
         val response = RetrofitServiceManager.loginOut()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -46,7 +46,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
index c873077..6cbe323 100644
--- a/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val groupListModel = MutableLiveData<GroupListModel>()
     val changeGroupResult = MutableLiveData<CommonResultModel>()
 
-    fun getProGroupList() = launch({
+    fun getProGroupList(context: Context) = launch({
         val response = RetrofitServiceManager.getProGroupList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,13 +34,13 @@
                 response, object : TypeToken<ProjectGroupModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun getDeviceListByGroup(wellGroupId: String) = launch({
+    fun getDeviceListByGroup(context: Context, wellGroupId: String) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.getDeviceListByGroup(wellGroupId)
         val responseCode = response.separateResponseCode()
@@ -51,14 +51,14 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun getDeviceListByPage(groupId: String, order: Int, page: Int) = launch({
+    fun getDeviceListByPage(context: Context, groupId: String, order: Int, page: Int) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.getDeviceListByPage(groupId, order, page)
         val responseCode = response.separateResponseCode()
@@ -69,14 +69,14 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun getGroupList() = launch({
+    fun getGroupList(context: Context) = launch({
         val response = RetrofitServiceManager.getGroupList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -84,13 +84,13 @@
                 response, object : TypeToken<GroupListModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun changeGroupId(oldGroupId: String, newGroupId: String) = launch({
+    fun changeGroupId(context: Context, oldGroupId: String, newGroupId: String) = launch({
         val response = RetrofitServiceManager.changeGroupId(oldGroupId, newGroupId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -98,7 +98,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt
index 0d3faaf..01632e8 100644
--- a/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -18,7 +18,7 @@
     private val gson = Gson()
     val resultModel = MutableLiveData<CommonResultModel>()
 
-    fun uploadImage(image: File) = launch({
+    fun uploadImage(context: Context, image: File) = launch({
         val response = RetrofitServiceManager.uploadImage(image)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -26,7 +26,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 
diff --git a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
index 7287bff..b854dee 100644
--- a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
@@ -18,6 +18,7 @@
 
 class LoginActivity : KotlinBaseActivity<ActivityLoginBinding>() {
 
+    private val context = this
     private lateinit var authenticateViewModel: AuthenticateViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userViewModel: UserViewModel
@@ -67,7 +68,7 @@
             }
             SaveKeyValues.putValue(LocaleConstant.ACCOUNT, account)
             SaveKeyValues.putValue(LocaleConstant.PASSWORD, userPassword)
-            authenticateViewModel.obtainPublicKey()
+            authenticateViewModel.getPublicKey(this)
         }
         authenticateViewModel.keyModel.observe(this) {
             if (it.code == 200) {//用code判断，别的判断可能有坑
@@ -83,14 +84,14 @@
                 val dataByPublicKey =
                     RSAUtils.encryptDataByPublicKey(userPassword.toByteArray(), publicKey!!)
                 //登录并获取Token，POST请求
-                loginViewModel.enter(it.data!!.sid!!, account, dataByPublicKey)
+                loginViewModel.enter(context, it.data!!.sid!!, account, dataByPublicKey)
                 loginViewModel.enterResultModel.observe(this) { loginResult ->
                     if (loginResult.code == 200) {
                         AuthenticationHelper.saveToken(loginResult.data!!.token!!)
                         /**
                          * 获取token之后保存用户信息
                          * */
-                        userViewModel.obtainUserDetail()
+                        userViewModel.getUserDetail()
                         //验证成功登录
                         this.navigatePageTo<MainActivity>()
                         finish()
diff --git a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
index 7a8c8c8..50eced4 100644
--- a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
@@ -45,7 +45,7 @@
 
     private val countDownTimer = object : CountDownTimer(1000, 500) {
         override fun onFinish() {
-            userDetailViewModel.obtainUserDetail()
+            userDetailViewModel.getUserDetail()
         }
 
         override fun onTick(millisUntilFinished: Long) {
diff --git a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
index e35983e..6127c1b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.AreaModel
@@ -24,7 +24,7 @@
     val districtModel = MutableLiveData<DistrictModel>()
     val streetModel = MutableLiveData<StreetModel>()
 
-    fun obtainPublicKey() = launch({
+    fun getPublicKey(context: Context) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.authenticate()
         val responseCode = response.separateResponseCode()
@@ -33,7 +33,7 @@
                 response, object : TypeToken<PublicKeyModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -42,15 +42,15 @@
     /**
      * 根据部门获取区ID
      */
-    fun obtainAreaByDept(deptId: String) = launch({
-        val response = RetrofitServiceManager.obtainAreaByDept(deptId)
+    fun getAreaByDept(context: Context, deptId: String) = launch({
+        val response = RetrofitServiceManager.getAreaByDept(deptId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             areaModel.value = gson.fromJson<AreaModel>(
                 response, object : TypeToken<AreaModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -59,15 +59,15 @@
     /**
      * 区/县等
      */
-    fun obtainDistrict(pid: String) = launch({
-        val response = RetrofitServiceManager.obtainDistrict(pid)
+    fun getDistrict(context: Context, pid: String) = launch({
+        val response = RetrofitServiceManager.getDistrict(pid)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             districtModel.value = gson.fromJson<DistrictModel>(
                 response, object : TypeToken<DistrictModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -76,15 +76,15 @@
     /**
      * 街道
      */
-    fun obtainStreet(areaId: String) = launch({
-        val response = RetrofitServiceManager.obtainStreet(areaId)
+    fun getStreet(context: Context, areaId: String) = launch({
+        val response = RetrofitServiceManager.getStreet(areaId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             streetModel.value = gson.fromJson<StreetModel>(
                 response, object : TypeToken<StreetModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
index 4466dd8..66f235b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val lastDataModel = MutableLiveData<LastDataModel>()
     val deleteResult = MutableLiveData<CommonResultModel>()
 
-    fun getMapDeviceList() = launch({
+    fun getMapDeviceList(context: Context) = launch({
         val response = RetrofitServiceManager.getMapDeviceList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,15 +34,15 @@
                 response, object : TypeToken<MapDeviceModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun obtainDeviceDetail(groupId: String, tubeId: String) = launch({
+    fun getDeviceDetail(context: Context, groupId: String, tubeId: String) = launch({
         loadState.value = LoadState.Loading
-        val response = RetrofitServiceManager.obtainDeviceDetail(groupId, tubeId)
+        val response = RetrofitServiceManager.getDeviceDetail(groupId, tubeId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -51,14 +51,15 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainDeviceHistoryData(
+    fun getDeviceHistoryData(
+        context: Context,
         groupId: String,
         devcode: String,
         beginTime: String?,
@@ -66,7 +67,7 @@
     ) = launch({
         loadState.value = LoadState.Loading
         val response =
-            RetrofitServiceManager.obtainDeviceHistoryData(groupId, devcode, beginTime, endTime)
+            RetrofitServiceManager.getDeviceHistoryData(groupId, devcode, beginTime, endTime)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -75,26 +76,28 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainTubeLastData(groupId: String, devcode: String) = launch({
-        val response = RetrofitServiceManager.obtainTubeLastData(groupId, devcode)
+    fun getTubeLastData(context: Context, groupId: String, devcode: String) = launch({
+        val response = RetrofitServiceManager.getTubeLastData(groupId, devcode)
         when (response.separateResponseCode()) {
             200 -> {
                 lastDataModel.value = gson.fromJson<LastDataModel>(
                     response, object : TypeToken<LastDataModel>() {}.type
                 )
             }
+
             500 -> {
                 lastDataModel.value = LastDataModel()
             }
+
             else -> {
-                response.toErrorMessage().show(BaseApplication.obtainInstance())
+                response.toErrorMessage().show(context)
             }
         }
     }, {
@@ -103,6 +106,7 @@
     })
 
     fun addDevice(
+        context: Context,
         deviceCode: String,
         deviceName: String,
         ownerShip: String,
@@ -134,14 +138,14 @@
             loadState.value = LoadState.Success
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun deleteDeviceById(ids: List<Long>) = launch({
+    fun deleteDeviceById(context: Context, ids: List<Long>) = launch({
         val response = RetrofitServiceManager.deleteDeviceById(ids)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -149,7 +153,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
index de8c83f..2632d37 100644
--- a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -20,25 +20,25 @@
     val enterResultModel = MutableLiveData<LoginResultModel>()
     val outResultModel = MutableLiveData<CommonResultModel>()
 
-    fun enter(sid: String, account: String, secretKey: String) = launch({
+    fun enter(context: Context, sid: String, account: String, secretKey: String) = launch({
         val response = RetrofitServiceManager.login(sid, account, secretKey)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
-            "登录成功".show(BaseApplication.obtainInstance())
+            "登录成功".show(context)
             enterResultModel.value = gson.fromJson<LoginResultModel>(
                 response, object : TypeToken<LoginResultModel>() {}.type
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun out() = launch({
+    fun out(context: Context) = launch({
         val response = RetrofitServiceManager.loginOut()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -46,7 +46,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
index c873077..6cbe323 100644
--- a/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val groupListModel = MutableLiveData<GroupListModel>()
     val changeGroupResult = MutableLiveData<CommonResultModel>()
 
-    fun getProGroupList() = launch({
+    fun getProGroupList(context: Context) = launch({
         val response = RetrofitServiceManager.getProGroupList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,13 +34,13 @@
                 response, object : TypeToken<ProjectGroupModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun getDeviceListByGroup(wellGroupId: String) = launch({
+    fun getDeviceListByGroup(context: Context, wellGroupId: String) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.getDeviceListByGroup(wellGroupId)
         val responseCode = response.separateResponseCode()
@@ -51,14 +51,14 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun getDeviceListByPage(groupId: String, order: Int, page: Int) = launch({
+    fun getDeviceListByPage(context: Context, groupId: String, order: Int, page: Int) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.getDeviceListByPage(groupId, order, page)
         val responseCode = response.separateResponseCode()
@@ -69,14 +69,14 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun getGroupList() = launch({
+    fun getGroupList(context: Context) = launch({
         val response = RetrofitServiceManager.getGroupList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -84,13 +84,13 @@
                 response, object : TypeToken<GroupListModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun changeGroupId(oldGroupId: String, newGroupId: String) = launch({
+    fun changeGroupId(context: Context, oldGroupId: String, newGroupId: String) = launch({
         val response = RetrofitServiceManager.changeGroupId(oldGroupId, newGroupId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -98,7 +98,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt
index 0d3faaf..01632e8 100644
--- a/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -18,7 +18,7 @@
     private val gson = Gson()
     val resultModel = MutableLiveData<CommonResultModel>()
 
-    fun uploadImage(image: File) = launch({
+    fun uploadImage(context: Context, image: File) = launch({
         val response = RetrofitServiceManager.uploadImage(image)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -26,7 +26,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/UserViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/UserViewModel.kt
index 15f0d96..cf9cc72 100644
--- a/app/src/main/java/com/casic/smarttube/vm/UserViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/UserViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.UserDetailModel
@@ -20,8 +20,8 @@
     private val gson = Gson()
     val userDetailModel = MutableLiveData<UserDetailModel>()
 
-    fun obtainUserDetail() = launch({
-        val response = RetrofitServiceManager.obtainUserDetail()
+    fun getUserDetail() = launch({
+        val response = RetrofitServiceManager.getUserDetail()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             val userDetail = gson.fromJson<UserDetailModel>(
@@ -40,7 +40,7 @@
         it.printStackTrace()
     })
 
-    fun changePassword(oldPwd: String, newPwd: String) = launch({
+    fun changePassword(context: Context, oldPwd: String, newPwd: String) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.changePassword(oldPwd, newPwd)
         val responseCode = response.separateResponseCode()
@@ -48,7 +48,7 @@
             loadState.value = LoadState.Success
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail

diff --git a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
index de0d0b9..413bc6b 100644
--- a/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
+++ b/app/src/main/java/com/casic/smarttube/base/BaseApplication.kt
@@ -2,19 +2,10 @@
 
 import android.app.Application
 import com.pengxh.kt.lite.utils.SaveKeyValues
-import kotlin.properties.Delegates
 
 class BaseApplication : Application() {
-
-    companion object {
-        private var instance: BaseApplication by Delegates.notNull()
-
-        fun obtainInstance() = instance
-    }
-
     override fun onCreate() {
         super.onCreate()
-        instance = this
         SaveKeyValues.initSharedPreferences(this)
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
index 26c4632..8322ca2 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/MinePageFragment.kt
@@ -96,7 +96,7 @@
 
         binding.updateUserButton.setOnClickListener {
             LoadingDialog.show(requireActivity(), "同步中，请稍后...")
-            userViewModel.obtainUserDetail()
+            userViewModel.getUserDetail()
         }
 
         binding.changePwdLayout.setOnClickListener {
@@ -111,7 +111,7 @@
                         val newPassKey = RSAUtils.encryptDataByPublicKey(
                             newPwd.toByteArray(StandardCharsets.UTF_8), publicKey
                         )
-                        userViewModel.changePassword(oldPassKey, newPassKey)
+                        userViewModel.changePassword(requireContext(), oldPassKey, newPassKey)
                     }
                 }).build().show()
         }
@@ -121,7 +121,7 @@
         }
 
         binding.updateVersionLayout.setOnClickListener {
-            versionViewModel.updateVersion()
+            versionViewModel.updateVersion(requireContext())
         }
 
         binding.updateLogLayout.setOnClickListener {
@@ -150,7 +150,7 @@
                 .setOnDialogButtonClickListener(object :
                     AlertControlDialog.OnDialogButtonClickListener {
                     override fun onConfirmClick() {
-                        loginViewModel.out()
+                        loginViewModel.out(requireContext())
                     }
 
                     override fun onCancelClick() {}
diff --git a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
index 96debfb..8f63fdb 100644
--- a/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
+++ b/app/src/main/java/com/casic/smarttube/fragment/OverviewFragment.kt
@@ -60,7 +60,7 @@
 
     override fun onResume() {
         super.onResume()
-        groupViewModel.getProGroupList()
+        groupViewModel.getProGroupList(requireContext())
     }
 
     private fun bindRecyclerView(it: ProjectGroupModel) {
@@ -156,7 +156,7 @@
 
                 override fun onConfirmClick(value: String) {
                     item.groupId = value
-                    groupViewModel.changeGroupId(item.groupId, value)
+                    groupViewModel.changeGroupId(requireContext(), item.groupId, value)
                 }
             }).build().show()
     }
@@ -184,12 +184,12 @@
     override fun initEvent() {
         binding.refreshView.setOnRefreshListener {
             isRefresh = true
-            groupViewModel.getProGroupList()
+            groupViewModel.getProGroupList(requireContext())
         }
 
         binding.emptyView.setOnClickListener(object : EmptyView.OnClickListener {
             override fun onReloadButtonClicked() {
-                groupViewModel.getProGroupList()
+                groupViewModel.getProGroupList(requireContext())
             }
         })
     }
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
index fc0a49d..ac34b5d 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitService.kt
@@ -10,7 +10,7 @@
      * PublicKey校验
      */
     @GET("/config/baseConfig")
-    suspend fun obtainPublicKey(): String
+    suspend fun getPublicKey(): String
 
     /**
      * 登录并获取Token
@@ -21,7 +21,7 @@
      */
     @FormUrlEncoded
     @POST("/user/login")
-    suspend fun obtainLoginResult(
+    suspend fun getLoginResult(
         @Field("sid") sid: String,
         @Field("username") account: String,
         @Field("password") secretKey: String
@@ -37,7 +37,7 @@
      * 获取用户信息
      */
     @GET("/user/info")
-    suspend fun obtainUserDetail(@Header("token") token: String): String
+    suspend fun getUserDetail(@Header("token") token: String): String
 
     /**
      * 修改密码
@@ -69,7 +69,7 @@
      * 更新APK版本
      */
     @POST("/app/checkVersion")
-    suspend fun obtainVersionResult(@Header("token") token: String): String
+    suspend fun getApplicationVersion(@Header("token") token: String): String
 
     /**
      * 地图设备列表
@@ -111,7 +111,7 @@
      * @param devcode 管盯设备编号
      */
     @GET("/tube/detail")
-    suspend fun obtainDeviceDetail(
+    suspend fun getDeviceDetail(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
@@ -123,7 +123,7 @@
      * @param deptId
      */
     @GET("/config/getAreaByDept")
-    suspend fun obtainAreaByDept(
+    suspend fun getAreaByDept(
         @Header("token") token: String,
         @Query("deptId") deptId: String
     ): String
@@ -134,7 +134,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainDistrict(
+    suspend fun getDistrict(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -145,7 +145,7 @@
      * @param pid
      */
     @GET("/area/list")
-    suspend fun obtainStreet(
+    suspend fun getStreet(
         @Header("token") token: String,
         @Query("pid") pid: String
     ): String
@@ -154,7 +154,7 @@
      * 获取管盯历史数据
      * */
     @GET("/tube/groupdevice/history")
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String?,
@@ -168,7 +168,7 @@
      * @param wellGroupId 管盯设备编号
      */
     @GET("/tube/latestdata")
-    suspend fun obtainTubeLastData(
+    suspend fun getTubeLastData(
         @Header("token") token: String,
         @Query("wellGroupId") wellGroupId: String,
         @Query("devcode") devcode: String
diff --git a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
index 351988e..040090e 100644
--- a/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
+++ b/app/src/main/java/com/casic/smarttube/retrofit/RetrofitServiceManager.kt
@@ -7,7 +7,7 @@
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
+import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
 import org.json.JSONObject
 import java.io.File
@@ -26,14 +26,14 @@
      * 验证PublicKey
      */
     suspend fun authenticate(): String {
-        return api.obtainPublicKey()
+        return api.getPublicKey()
     }
 
     /**
      * 登录并获取Token
      */
     suspend fun login(sid: String, account: String, secretKey: String): String {
-        return api.obtainLoginResult(sid, account, secretKey)
+        return api.getLoginResult(sid, account, secretKey)
     }
 
     /**
@@ -46,8 +46,8 @@
     /**
      * 获取用户信息
      */
-    suspend fun obtainUserDetail(): String {
-        return api.obtainUserDetail(AuthenticationHelper.token!!)
+    suspend fun getUserDetail(): String {
+        return api.getUserDetail(AuthenticationHelper.token!!)
     }
 
     /**
@@ -60,8 +60,8 @@
     /**
      * 更新APK版本
      */
-    suspend fun updateVersion(): String {
-        return api.obtainVersionResult(AuthenticationHelper.token!!)
+    suspend fun getApplicationVersion(): String {
+        return api.getApplicationVersion(AuthenticationHelper.token!!)
     }
 
     /**
@@ -97,38 +97,38 @@
     /**
      * 获取设备详情
      */
-    suspend fun obtainDeviceDetail(groupId: String, tubeId: String): String {
-        return api.obtainDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
+    suspend fun getDeviceDetail(groupId: String, tubeId: String): String {
+        return api.getDeviceDetail(AuthenticationHelper.token!!, groupId, tubeId)
     }
 
     /**
      * 根据部门获取区ID
      */
-    suspend fun obtainAreaByDept(deptId: String): String {
-        return api.obtainAreaByDept(AuthenticationHelper.token!!, deptId)
+    suspend fun getAreaByDept(deptId: String): String {
+        return api.getAreaByDept(AuthenticationHelper.token!!, deptId)
     }
 
     /**
      * 获取区/县等
      */
-    suspend fun obtainDistrict(pid: String): String {
-        return api.obtainDistrict(AuthenticationHelper.token!!, pid)
+    suspend fun getDistrict(pid: String): String {
+        return api.getDistrict(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 获取街道
      */
-    suspend fun obtainStreet(pid: String): String {
-        return api.obtainStreet(AuthenticationHelper.token!!, pid)
+    suspend fun getStreet(pid: String): String {
+        return api.getStreet(AuthenticationHelper.token!!, pid)
     }
 
     /**
      * 根据设备编号获取历史数据
      */
-    suspend fun obtainDeviceHistoryData(
+    suspend fun getDeviceHistoryData(
         groupId: String, devcode: String, beginTime: String?, endTime: String?
     ): String {
-        return api.obtainDeviceHistoryData(
+        return api.getDeviceHistoryData(
             AuthenticationHelper.token!!, groupId, devcode, beginTime, endTime
         )
     }
@@ -137,7 +137,7 @@
      * 上传图片
      */
     suspend fun uploadImage(image: File): String {
-        val requestBody = RequestBody.create("image/png".toMediaTypeOrNull(), image)
+        val requestBody = image.asRequestBody("image/png".toMediaTypeOrNull())
         val imagePart = MultipartBody.Part.createFormData("file", image.name, requestBody)
         return api.uploadImage(AuthenticationHelper.token!!, imagePart)
     }
@@ -145,8 +145,8 @@
     /**
      * 获取设备最新数据
      */
-    suspend fun obtainTubeLastData(groupId: String, devcode: String): String {
-        return api.obtainTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
+    suspend fun getTubeLastData(groupId: String, devcode: String): String {
+        return api.getTubeLastData(AuthenticationHelper.token!!, groupId, devcode)
     }
 
     /**
diff --git a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
index fbab6e0..1976c77 100644
--- a/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/AddDeviceActivity.kt
@@ -180,7 +180,7 @@
             }
         }
 
-        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList() }
+        binding.ownerShipView.setOnClickListener { groupViewModel.getGroupList(this) }
 
         //默认频率1min
         binding.collectIntervalView.text = frequency[0]
@@ -309,6 +309,7 @@
                     userDetailJson, object : TypeToken<UserDetailModel.Data>() {}.type
                 )
                 deviceViewModel.addDevice(
+                    this,
                     deviceCode,
                     binding.deviceNameView.text.toString(),
                     ownerShip,
@@ -377,7 +378,7 @@
                 override fun onSuccess(file: File) {
                     Log.d(kTag, "onSuccess: " + file.absolutePath)
                     //上传图片
-                    uploadImageViewModel.uploadImage(file)
+                    uploadImageViewModel.uploadImage(context, file)
                 }
 
                 override fun onError(e: Throwable) {
diff --git a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
index 8bc6ab5..264d41b 100644
--- a/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/DeviceDetailActivity.kt
@@ -60,9 +60,7 @@
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
         val params = intent.getStringArrayListExtra(LiteKitConstant.INTENT_PARAM_KEY)!!
-
         deviceViewModel = ViewModelProvider(this)[DeviceViewModel::class.java]
-        deviceViewModel.obtainDeviceDetail(params[0], params[1])
         deviceViewModel.deviceDetailModel.observe(this) {
             if (it.code == 200) {
                 val device = it.data
@@ -138,6 +136,7 @@
                 }
             }
         }
+        deviceViewModel.getDeviceDetail(this, params[0], params[1])
     }
 
     override fun observeRequestState() {
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
index a2ed62a..767f52c 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceActivity.kt
@@ -153,7 +153,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
                             }).build().show()
                     }
@@ -172,7 +172,7 @@
                                         }
                                     }
                                     isDeleteAll = true
-                                    deviceViewModel.deleteDeviceById(ids)
+                                    deviceViewModel.deleteDeviceById(context, ids)
                                 }
 
                                 override fun onCancelClick() {
@@ -279,7 +279,7 @@
     }
 
     private fun getDeviceListByPage() {
-        groupViewModel.getDeviceListByPage(groupId, order, page)
+        groupViewModel.getDeviceListByPage(this, groupId, order, page)
     }
 
     private val swipeAction =
@@ -295,7 +295,7 @@
                     return
                 }
                 isDeleteAll = false
-                deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
             }
 
             override fun getSwipeDirection(
@@ -333,7 +333,7 @@
                         return
                     }
                     isDeleteAll = false
-                    deviceViewModel.deleteDeviceById(arrayListOf(deviceId.toLong()))
+                    deviceViewModel.deleteDeviceById(context, arrayListOf(deviceId.toLong()))
                 }
             }).build().show()
     }
diff --git a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
index 75ad5c1..d17f773 100644
--- a/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/GroupDeviceMapActivity.kt
@@ -96,7 +96,7 @@
                 }
             }
         }
-        deviceViewModel.getMapDeviceList()
+        deviceViewModel.getMapDeviceList(this)
 
         groupViewModel = ViewModelProvider(this)[ProjectGroupViewModel::class.java]
         groupViewModel.groupDeviceModel.observe(this) {
@@ -131,7 +131,7 @@
                 aMap.animateCamera(cameraUpdate, 1500, null)
             }
         }
-        groupViewModel.getDeviceListByGroup(groupId)
+        groupViewModel.getDeviceListByGroup(this, groupId)
     }
 
     override fun initEvent() {
@@ -212,8 +212,7 @@
             if (clicked.latitude == device.latGaode!!.toDouble() && clicked.longitude == device.lngGaode!!.toDouble()) {
                 deviceCodeView.text = String.format("设备编号: ${device.devcode}")
                 deviceModelView.text = String.format("设备模型: ${device.modelName}")
-                //获取设备最新浓度信息
-                deviceViewModel.obtainTubeLastData(device.groupId, device.devcode)
+
                 deviceViewModel.lastDataModel.observe(this) {
                     if (it.code == 200) {
                         deviceValueView.text = String.format("最新浓度: ${it.data.strength}")
@@ -223,6 +222,9 @@
                         updateTimeView.text = String.format("更新时间: 未知")
                     }
                 }
+                //获取设备最新浓度信息
+                deviceViewModel.getTubeLastData(context, device.groupId, device.devcode)
+
                 if (device.latGaode.isBlank() || device.lngGaode.isBlank()) {
                     locationView.text = "经纬度异常，无法查看具体位置"
                 } else {
diff --git a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
index e58c030..9e5204d 100644
--- a/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/HistoryDataActivity.kt
@@ -27,6 +27,7 @@
 class HistoryDataActivity : KotlinBaseActivity<ActivityHistoryDataBinding>() {
 
     private val kTag = "HistoryDataActivity"
+    private val context = this
     private lateinit var deviceViewModel: DeviceViewModel
     private lateinit var groupId: String
     private lateinit var devCode: String
@@ -70,8 +71,8 @@
                 when (position) {
                     0 -> {
                         //本年度
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, "$year-01-01", time.timestampToCompleteDate()
                         )
                     }
 
@@ -84,14 +85,15 @@
                             4 -> "$year-10-01"
                             else -> ""
                         }
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, startDate, time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context, groupId, devCode, startDate, time.timestampToCompleteDate()
                         )
                     }
 
                     2 -> {
                         //近30日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastMonthDate(),
@@ -101,7 +103,8 @@
 
                     3 -> {
                         //近7日
-                        deviceViewModel.obtainDeviceHistoryData(
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
                             groupId,
                             devCode,
                             time.timestampToLastWeekDate(),
@@ -111,8 +114,12 @@
 
                     4 -> {
                         //今日
-                        deviceViewModel.obtainDeviceHistoryData(
-                            groupId, devCode, time.timestampToDate(), time.timestampToCompleteDate()
+                        deviceViewModel.getDeviceHistoryData(
+                            context,
+                            groupId,
+                            devCode,
+                            time.timestampToDate(),
+                            time.timestampToCompleteDate()
                         )
                     }
 
@@ -122,8 +129,8 @@
                             .setPositiveButton("选好了").setOnDialogButtonClickListener(object :
                                 DateSelectDialog.OnDialogButtonClickListener {
                                 override fun onConfirmClick(startDate: String, endDate: String) {
-                                    deviceViewModel.obtainDeviceHistoryData(
-                                        groupId, devCode, startDate, endDate
+                                    deviceViewModel.getDeviceHistoryData(
+                                        context, groupId, devCode, startDate, endDate
                                     )
                                 }
 
diff --git a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
index 7287bff..b854dee 100644
--- a/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/LoginActivity.kt
@@ -18,6 +18,7 @@
 
 class LoginActivity : KotlinBaseActivity<ActivityLoginBinding>() {
 
+    private val context = this
     private lateinit var authenticateViewModel: AuthenticateViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userViewModel: UserViewModel
@@ -67,7 +68,7 @@
             }
             SaveKeyValues.putValue(LocaleConstant.ACCOUNT, account)
             SaveKeyValues.putValue(LocaleConstant.PASSWORD, userPassword)
-            authenticateViewModel.obtainPublicKey()
+            authenticateViewModel.getPublicKey(this)
         }
         authenticateViewModel.keyModel.observe(this) {
             if (it.code == 200) {//用code判断，别的判断可能有坑
@@ -83,14 +84,14 @@
                 val dataByPublicKey =
                     RSAUtils.encryptDataByPublicKey(userPassword.toByteArray(), publicKey!!)
                 //登录并获取Token，POST请求
-                loginViewModel.enter(it.data!!.sid!!, account, dataByPublicKey)
+                loginViewModel.enter(context, it.data!!.sid!!, account, dataByPublicKey)
                 loginViewModel.enterResultModel.observe(this) { loginResult ->
                     if (loginResult.code == 200) {
                         AuthenticationHelper.saveToken(loginResult.data!!.token!!)
                         /**
                          * 获取token之后保存用户信息
                          * */
-                        userViewModel.obtainUserDetail()
+                        userViewModel.getUserDetail()
                         //验证成功登录
                         this.navigatePageTo<MainActivity>()
                         finish()
diff --git a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
index 7a8c8c8..50eced4 100644
--- a/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
+++ b/app/src/main/java/com/casic/smarttube/view/SplashScreenActivity.kt
@@ -45,7 +45,7 @@
 
     private val countDownTimer = object : CountDownTimer(1000, 500) {
         override fun onFinish() {
-            userDetailViewModel.obtainUserDetail()
+            userDetailViewModel.getUserDetail()
         }
 
         override fun onTick(millisUntilFinished: Long) {
diff --git a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
index e35983e..6127c1b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/AuthenticateViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.AreaModel
@@ -24,7 +24,7 @@
     val districtModel = MutableLiveData<DistrictModel>()
     val streetModel = MutableLiveData<StreetModel>()
 
-    fun obtainPublicKey() = launch({
+    fun getPublicKey(context: Context) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.authenticate()
         val responseCode = response.separateResponseCode()
@@ -33,7 +33,7 @@
                 response, object : TypeToken<PublicKeyModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -42,15 +42,15 @@
     /**
      * 根据部门获取区ID
      */
-    fun obtainAreaByDept(deptId: String) = launch({
-        val response = RetrofitServiceManager.obtainAreaByDept(deptId)
+    fun getAreaByDept(context: Context, deptId: String) = launch({
+        val response = RetrofitServiceManager.getAreaByDept(deptId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             areaModel.value = gson.fromJson<AreaModel>(
                 response, object : TypeToken<AreaModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -59,15 +59,15 @@
     /**
      * 区/县等
      */
-    fun obtainDistrict(pid: String) = launch({
-        val response = RetrofitServiceManager.obtainDistrict(pid)
+    fun getDistrict(context: Context, pid: String) = launch({
+        val response = RetrofitServiceManager.getDistrict(pid)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             districtModel.value = gson.fromJson<DistrictModel>(
                 response, object : TypeToken<DistrictModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
@@ -76,15 +76,15 @@
     /**
      * 街道
      */
-    fun obtainStreet(areaId: String) = launch({
-        val response = RetrofitServiceManager.obtainStreet(areaId)
+    fun getStreet(context: Context, areaId: String) = launch({
+        val response = RetrofitServiceManager.getStreet(areaId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             streetModel.value = gson.fromJson<StreetModel>(
                 response, object : TypeToken<StreetModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
index 4466dd8..66f235b 100644
--- a/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/DeviceViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val lastDataModel = MutableLiveData<LastDataModel>()
     val deleteResult = MutableLiveData<CommonResultModel>()
 
-    fun getMapDeviceList() = launch({
+    fun getMapDeviceList(context: Context) = launch({
         val response = RetrofitServiceManager.getMapDeviceList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,15 +34,15 @@
                 response, object : TypeToken<MapDeviceModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun obtainDeviceDetail(groupId: String, tubeId: String) = launch({
+    fun getDeviceDetail(context: Context, groupId: String, tubeId: String) = launch({
         loadState.value = LoadState.Loading
-        val response = RetrofitServiceManager.obtainDeviceDetail(groupId, tubeId)
+        val response = RetrofitServiceManager.getDeviceDetail(groupId, tubeId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -51,14 +51,15 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainDeviceHistoryData(
+    fun getDeviceHistoryData(
+        context: Context,
         groupId: String,
         devcode: String,
         beginTime: String?,
@@ -66,7 +67,7 @@
     ) = launch({
         loadState.value = LoadState.Loading
         val response =
-            RetrofitServiceManager.obtainDeviceHistoryData(groupId, devcode, beginTime, endTime)
+            RetrofitServiceManager.getDeviceHistoryData(groupId, devcode, beginTime, endTime)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -75,26 +76,28 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun obtainTubeLastData(groupId: String, devcode: String) = launch({
-        val response = RetrofitServiceManager.obtainTubeLastData(groupId, devcode)
+    fun getTubeLastData(context: Context, groupId: String, devcode: String) = launch({
+        val response = RetrofitServiceManager.getTubeLastData(groupId, devcode)
         when (response.separateResponseCode()) {
             200 -> {
                 lastDataModel.value = gson.fromJson<LastDataModel>(
                     response, object : TypeToken<LastDataModel>() {}.type
                 )
             }
+
             500 -> {
                 lastDataModel.value = LastDataModel()
             }
+
             else -> {
-                response.toErrorMessage().show(BaseApplication.obtainInstance())
+                response.toErrorMessage().show(context)
             }
         }
     }, {
@@ -103,6 +106,7 @@
     })
 
     fun addDevice(
+        context: Context,
         deviceCode: String,
         deviceName: String,
         ownerShip: String,
@@ -134,14 +138,14 @@
             loadState.value = LoadState.Success
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun deleteDeviceById(ids: List<Long>) = launch({
+    fun deleteDeviceById(context: Context, ids: List<Long>) = launch({
         val response = RetrofitServiceManager.deleteDeviceById(ids)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -149,7 +153,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
index de8c83f..2632d37 100644
--- a/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/LoginViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -20,25 +20,25 @@
     val enterResultModel = MutableLiveData<LoginResultModel>()
     val outResultModel = MutableLiveData<CommonResultModel>()
 
-    fun enter(sid: String, account: String, secretKey: String) = launch({
+    fun enter(context: Context, sid: String, account: String, secretKey: String) = launch({
         val response = RetrofitServiceManager.login(sid, account, secretKey)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
-            "登录成功".show(BaseApplication.obtainInstance())
+            "登录成功".show(context)
             enterResultModel.value = gson.fromJson<LoginResultModel>(
                 response, object : TypeToken<LoginResultModel>() {}.type
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun out() = launch({
+    fun out(context: Context) = launch({
         val response = RetrofitServiceManager.loginOut()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -46,7 +46,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
index c873077..6cbe323 100644
--- a/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/ProjectGroupViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -26,7 +26,7 @@
     val groupListModel = MutableLiveData<GroupListModel>()
     val changeGroupResult = MutableLiveData<CommonResultModel>()
 
-    fun getProGroupList() = launch({
+    fun getProGroupList(context: Context) = launch({
         val response = RetrofitServiceManager.getProGroupList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -34,13 +34,13 @@
                 response, object : TypeToken<ProjectGroupModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun getDeviceListByGroup(wellGroupId: String) = launch({
+    fun getDeviceListByGroup(context: Context, wellGroupId: String) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.getDeviceListByGroup(wellGroupId)
         val responseCode = response.separateResponseCode()
@@ -51,14 +51,14 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun getDeviceListByPage(groupId: String, order: Int, page: Int) = launch({
+    fun getDeviceListByPage(context: Context, groupId: String, order: Int, page: Int) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.getDeviceListByPage(groupId, order, page)
         val responseCode = response.separateResponseCode()
@@ -69,14 +69,14 @@
             )
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
         it.printStackTrace()
     })
 
-    fun getGroupList() = launch({
+    fun getGroupList(context: Context) = launch({
         val response = RetrofitServiceManager.getGroupList()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -84,13 +84,13 @@
                 response, object : TypeToken<GroupListModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
     })
 
-    fun changeGroupId(oldGroupId: String, newGroupId: String) = launch({
+    fun changeGroupId(context: Context, oldGroupId: String, newGroupId: String) = launch({
         val response = RetrofitServiceManager.changeGroupId(oldGroupId, newGroupId)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -98,7 +98,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt
index 0d3faaf..01632e8 100644
--- a/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/UploadImageViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.CommonResultModel
@@ -18,7 +18,7 @@
     private val gson = Gson()
     val resultModel = MutableLiveData<CommonResultModel>()
 
-    fun uploadImage(image: File) = launch({
+    fun uploadImage(context: Context, image: File) = launch({
         val response = RetrofitServiceManager.uploadImage(image)
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
@@ -26,7 +26,7 @@
                 response, object : TypeToken<CommonResultModel>() {}.type
             )
         } else {
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         it.printStackTrace()
diff --git a/app/src/main/java/com/casic/smarttube/vm/UserViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/UserViewModel.kt
index 15f0d96..cf9cc72 100644
--- a/app/src/main/java/com/casic/smarttube/vm/UserViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/UserViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.UserDetailModel
@@ -20,8 +20,8 @@
     private val gson = Gson()
     val userDetailModel = MutableLiveData<UserDetailModel>()
 
-    fun obtainUserDetail() = launch({
-        val response = RetrofitServiceManager.obtainUserDetail()
+    fun getUserDetail() = launch({
+        val response = RetrofitServiceManager.getUserDetail()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             val userDetail = gson.fromJson<UserDetailModel>(
@@ -40,7 +40,7 @@
         it.printStackTrace()
     })
 
-    fun changePassword(oldPwd: String, newPwd: String) = launch({
+    fun changePassword(context: Context, oldPwd: String, newPwd: String) = launch({
         loadState.value = LoadState.Loading
         val response = RetrofitServiceManager.changePassword(oldPwd, newPwd)
         val responseCode = response.separateResponseCode()
@@ -48,7 +48,7 @@
             loadState.value = LoadState.Success
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail
diff --git a/app/src/main/java/com/casic/smarttube/vm/VersionViewModel.kt b/app/src/main/java/com/casic/smarttube/vm/VersionViewModel.kt
index 0148887..2c6a133 100644
--- a/app/src/main/java/com/casic/smarttube/vm/VersionViewModel.kt
+++ b/app/src/main/java/com/casic/smarttube/vm/VersionViewModel.kt
@@ -1,7 +1,7 @@
 package com.casic.smarttube.vm
 
+import android.content.Context
 import androidx.lifecycle.MutableLiveData
-import com.casic.smarttube.base.BaseApplication
 import com.casic.smarttube.extensions.separateResponseCode
 import com.casic.smarttube.extensions.toErrorMessage
 import com.casic.smarttube.model.VersionResultModel
@@ -18,9 +18,9 @@
     private val gson = Gson()
     val versionResultModel = MutableLiveData<VersionResultModel.DataBean>()
 
-    fun updateVersion() = launch({
+    fun updateVersion(context: Context) = launch({
         loadState.value = LoadState.Loading
-        val response = RetrofitServiceManager.updateVersion()
+        val response = RetrofitServiceManager.getApplicationVersion()
         val responseCode = response.separateResponseCode()
         if (responseCode == 200) {
             loadState.value = LoadState.Success
@@ -29,7 +29,7 @@
             ).data
         } else {
             loadState.value = LoadState.Fail
-            response.toErrorMessage().show(BaseApplication.obtainInstance())
+            response.toErrorMessage().show(context)
         }
     }, {
         loadState.value = LoadState.Fail