diff --git a/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt b/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
index 63595df..72a3f43 100644
--- a/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
+++ b/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
@@ -25,7 +25,6 @@
 import com.casic.br.operationsite.vm.LoginViewModel
 import com.casic.br.operationsite.vm.WorkSiteViewModel
 import com.google.android.material.bottomsheet.BottomSheetBehavior
-import com.google.gson.Gson
 import com.pengxh.kt.lite.base.KotlinBaseActivity
 import com.pengxh.kt.lite.extensions.navigatePageTo
 import com.pengxh.kt.lite.utils.ActivityStackManager
@@ -43,13 +42,13 @@
     private val context = this
     private val devices = ArrayList<WorkSiteDeviceModel.DataModel>()
     private val workers = ArrayList<WorkSiteWorkerModel.DataModel>()
-    private val gson = Gson()
     private lateinit var aMap: AMap
     private lateinit var workSiteViewModel: WorkSiteViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userHelmetCode: String
     private lateinit var bottomSheetBehavior: BottomSheetBehavior<*>
     private var clickedMarker: Marker? = null
+    private var isReloadData = false
 
     /**
      * 自定义Marker弹出框
@@ -383,6 +382,9 @@
 
     override fun observeRequestState() {
         workSiteViewModel.loadState.observe(this) {
+            if (isReloadData) {
+                return@observe
+            }
             when (it) {
                 LoadState.Loading -> LoadingDialog.show(this, "数据加载中，请稍后...")
 
@@ -409,10 +411,10 @@
         }
 
         binding.reloadDataView.setOnClickListener {
+            isReloadData = true
             aMap.clear()
-
+            workSiteViewModel.getProjectDetail(this, RuntimeCache.projectId)
             workSiteViewModel.getWorkSiteWorkers(this, RuntimeCache.projectId)
-
             workSiteViewModel.getWorkSiteDevices(this, RuntimeCache.projectId)
         }
     }

diff --git a/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt b/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
index 63595df..72a3f43 100644
--- a/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
+++ b/app/src/main/java/com/casic/br/operationsite/view/WorkSiteTabActivity.kt
@@ -25,7 +25,6 @@
 import com.casic.br.operationsite.vm.LoginViewModel
 import com.casic.br.operationsite.vm.WorkSiteViewModel
 import com.google.android.material.bottomsheet.BottomSheetBehavior
-import com.google.gson.Gson
 import com.pengxh.kt.lite.base.KotlinBaseActivity
 import com.pengxh.kt.lite.extensions.navigatePageTo
 import com.pengxh.kt.lite.utils.ActivityStackManager
@@ -43,13 +42,13 @@
     private val context = this
     private val devices = ArrayList<WorkSiteDeviceModel.DataModel>()
     private val workers = ArrayList<WorkSiteWorkerModel.DataModel>()
-    private val gson = Gson()
     private lateinit var aMap: AMap
     private lateinit var workSiteViewModel: WorkSiteViewModel
     private lateinit var loginViewModel: LoginViewModel
     private lateinit var userHelmetCode: String
     private lateinit var bottomSheetBehavior: BottomSheetBehavior<*>
     private var clickedMarker: Marker? = null
+    private var isReloadData = false
 
     /**
      * 自定义Marker弹出框
@@ -383,6 +382,9 @@
 
     override fun observeRequestState() {
         workSiteViewModel.loadState.observe(this) {
+            if (isReloadData) {
+                return@observe
+            }
             when (it) {
                 LoadState.Loading -> LoadingDialog.show(this, "数据加载中，请稍后...")
 
@@ -409,10 +411,10 @@
         }
 
         binding.reloadDataView.setOnClickListener {
+            isReloadData = true
             aMap.clear()
-
+            workSiteViewModel.getProjectDetail(this, RuntimeCache.projectId)
             workSiteViewModel.getWorkSiteWorkers(this, RuntimeCache.projectId)
-
             workSiteViewModel.getWorkSiteDevices(this, RuntimeCache.projectId)
         }
     }
diff --git a/app/src/main/res/layout/activity_site_tab.xml b/app/src/main/res/layout/activity_site_tab.xml
index ae7b340..10d76c2 100644
--- a/app/src/main/res/layout/activity_site_tab.xml
+++ b/app/src/main/res/layout/activity_site_tab.xml
@@ -22,66 +22,73 @@
         android:layout_height="match_parent"
         android:orientation="vertical">
 
-        <LinearLayout
+        <androidx.cardview.widget.CardView
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:padding="@dimen/dp_5">
+            app:cardCornerRadius="@dimen/dp_10"
+            app:cardUseCompatPadding="true">
 
             <LinearLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:gravity="center_vertical"
-                android:orientation="horizontal">
+                android:layout_margin="@dimen/dp_10"
+                android:orientation="vertical">
+
+                <LinearLayout
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center_vertical"
+                    android:orientation="horizontal">
+
+                    <TextView
+                        android:id="@+id/projectNameView"
+                        android:layout_width="0dp"
+                        android:layout_height="wrap_content"
+                        android:layout_weight="1"
+                        android:text="@string/app_name"
+                        android:textColor="@color/mainThemeColor"
+                        android:textSize="@dimen/sp_16" />
+
+                    <ImageView
+                        android:id="@+id/reloadDataView"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center"
+                        android:src="@drawable/ic_refresh" />
+                </LinearLayout>
 
                 <TextView
-                    android:id="@+id/projectNameView"
-                    android:layout_width="0dp"
+                    android:id="@+id/principalView"
+                    android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:layout_weight="1"
-                    android:text="@string/app_name"
-                    android:textColor="@color/mainThemeColor"
-                    android:textSize="@dimen/sp_16" />
+                    android:text="负责人："
+                    android:textColor="@color/black" />
 
-                <ImageView
-                    android:id="@+id/reloadDataView"
-                    android:layout_width="wrap_content"
+                <TextView
+                    android:id="@+id/phoneNumberView"
+                    android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:layout_gravity="center"
-                    android:src="@drawable/ic_refresh" />
+                    android:autoLink="phone"
+                    android:text="电话："
+                    android:textColor="@color/black" />
+
+                <TextView
+                    android:id="@+id/workSiteDescView"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:autoLink="phone"
+                    android:text="现场情况："
+                    android:textColor="@color/black" />
+
+                <TextView
+                    android:id="@+id/locationView"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:singleLine="true"
+                    android:text="所属道路："
+                    android:textColor="@color/black" />
             </LinearLayout>
-
-            <TextView
-                android:id="@+id/principalView"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:text="负责人："
-                android:textColor="@color/black" />
-
-            <TextView
-                android:id="@+id/phoneNumberView"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:autoLink="phone"
-                android:text="电话："
-                android:textColor="@color/black" />
-
-            <TextView
-                android:id="@+id/workSiteDescView"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:autoLink="phone"
-                android:text="现场情况："
-                android:textColor="@color/black" />
-
-            <TextView
-                android:id="@+id/locationView"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:singleLine="true"
-                android:text="所属道路："
-                android:textColor="@color/black" />
-        </LinearLayout>
+        </androidx.cardview.widget.CardView>
 
         <androidx.coordinatorlayout.widget.CoordinatorLayout
             android:id="@+id/coordinatorLayout"