diff --git a/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt b/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
index 0f1b5e1..c0020ec 100644
--- a/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
@@ -1,18 +1,32 @@
 package com.casic.endoscope.view
 
 import android.os.Bundle
-import com.casic.endoscope.R
+import android.util.Log
 import com.casic.endoscope.databinding.ActivityAlbumBinding
-import com.casic.endoscope.extensions.initImmersionBar
+import com.casic.endoscope.extensions.createVideoFileDir
+import com.gyf.immersionbar.ImmersionBar
 import com.pengxh.kt.lite.base.KotlinBaseActivity
+import com.pengxh.kt.lite.extensions.createImageFileDir
+import com.pengxh.kt.lite.extensions.getStatusBarHeight
 
-class AlbumActivity: KotlinBaseActivity<ActivityAlbumBinding>() {
+class AlbumActivity : KotlinBaseActivity<ActivityAlbumBinding>() {
+
+    private val kTag = "AlbumActivity"
+
     override fun initEvent() {
-        
+
     }
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
-        
+        val videoDir = createVideoFileDir()
+        videoDir.listFiles()?.forEach {
+            Log.d(kTag, "initOnCreate => ${it.name}")
+        }
+
+        val imageDir = createImageFileDir()
+        imageDir.listFiles()?.forEach {
+            Log.d(kTag, "initOnCreate => ${it.name}")
+        }
     }
 
     override fun initViewBinding(): ActivityAlbumBinding {
@@ -20,10 +34,14 @@
     }
 
     override fun observeRequestState() {
-        
+
     }
 
     override fun setupTopBarLayout() {
-        binding.rootView.initImmersionBar(this, true, R.color.white)
+        ImmersionBar.with(this).statusBarDarkFont(false).init()
+        //根据不同设备状态栏高度设置statusBarView高度
+        val statusBarHeight = getStatusBarHeight()
+        binding.rootView.setPadding(0, statusBarHeight, 0, 0)
+        binding.rootView.requestLayout()
     }
 }
\ No newline at end of file

diff --git a/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt b/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
index 0f1b5e1..c0020ec 100644
--- a/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
@@ -1,18 +1,32 @@
 package com.casic.endoscope.view
 
 import android.os.Bundle
-import com.casic.endoscope.R
+import android.util.Log
 import com.casic.endoscope.databinding.ActivityAlbumBinding
-import com.casic.endoscope.extensions.initImmersionBar
+import com.casic.endoscope.extensions.createVideoFileDir
+import com.gyf.immersionbar.ImmersionBar
 import com.pengxh.kt.lite.base.KotlinBaseActivity
+import com.pengxh.kt.lite.extensions.createImageFileDir
+import com.pengxh.kt.lite.extensions.getStatusBarHeight
 
-class AlbumActivity: KotlinBaseActivity<ActivityAlbumBinding>() {
+class AlbumActivity : KotlinBaseActivity<ActivityAlbumBinding>() {
+
+    private val kTag = "AlbumActivity"
+
     override fun initEvent() {
-        
+
     }
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
-        
+        val videoDir = createVideoFileDir()
+        videoDir.listFiles()?.forEach {
+            Log.d(kTag, "initOnCreate => ${it.name}")
+        }
+
+        val imageDir = createImageFileDir()
+        imageDir.listFiles()?.forEach {
+            Log.d(kTag, "initOnCreate => ${it.name}")
+        }
     }
 
     override fun initViewBinding(): ActivityAlbumBinding {
@@ -20,10 +34,14 @@
     }
 
     override fun observeRequestState() {
-        
+
     }
 
     override fun setupTopBarLayout() {
-        binding.rootView.initImmersionBar(this, true, R.color.white)
+        ImmersionBar.with(this).statusBarDarkFont(false).init()
+        //根据不同设备状态栏高度设置statusBarView高度
+        val statusBarHeight = getStatusBarHeight()
+        binding.rootView.setPadding(0, statusBarHeight, 0, 0)
+        binding.rootView.requestLayout()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
index cc38d90..8c1a5dd 100644
--- a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
@@ -9,6 +9,7 @@
 import android.view.KeyEvent
 import android.view.MotionEvent
 import android.view.SurfaceHolder
+import android.view.View
 import androidx.lifecycle.lifecycleScope
 import com.casic.endoscope.adapter.CameraPointAdapter
 import com.casic.endoscope.bean.CameraPointBean
@@ -35,7 +36,6 @@
 import com.pengxh.kt.lite.widget.SteeringWheelView
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -113,22 +113,20 @@
         //单张拍照
         binding.imageButton.setOnClickListener {
             if (isPreviewSuccess) {
-                lifecycleScope.launch(Dispatchers.IO) {
-                    val strJpeg = NET_DVR_JPEGPARA()
-                    strJpeg.wPicQuality = 1
-                    strJpeg.wPicSize = 2
+                val strJpeg = NET_DVR_JPEGPARA()
+                strJpeg.wPicQuality = 1
+                strJpeg.wPicSize = 2
 
-                    val imagePath = "/${createImageFileDir()}/${timeFormat.format(Date())}.png"
-                    hkSDK.NET_DVR_CaptureJPEGPicture(
-                        returnUserId, selectChannel, strJpeg, imagePath
-                    )
+                val imagePath = "/${createImageFileDir()}/${timeFormat.format(Date())}.png"
+                hkSDK.NET_DVR_CaptureJPEGPicture(
+                    returnUserId, selectChannel, strJpeg, imagePath
+                )
 
-                    if (MessageCodeHub.getErrorCode() == 0) {
-                        withContext(Dispatchers.Main) {
-                            "画面抓取成功".show(this@MainActivity)
-                        }
-                    }
+                if (MessageCodeHub.getErrorCode() == 0) {
+                    "画面抓取成功".show(this@MainActivity)
                 }
+            } else {
+                "摄像头预览未打开，无法拍照".show(this)
             }
         }
 
@@ -137,26 +135,42 @@
             if (isPreviewSuccess) {
                 val videoPath = "/${createVideoFileDir()}/${timeFormat.format(Date())}.mp4"
                 hkSDK.NET_DVR_SaveRealData(returnUserId, videoPath)
+                binding.videoStateView.visibility = View.VISIBLE
+            } else {
+                "摄像头预览未打开，无法录制视频".show(this)
             }
         }
 
         binding.videoButton.setOnLongClickListener {
             //停止视频抓取
             hkSDK.NET_DVR_StopSaveRealData(returnUserId)
+            binding.videoStateView.visibility = View.INVISIBLE
+            "视频录制成功".show(this@MainActivity)
             true
         }
 
         //连续拍照
         binding.multipleImageButton.setOnClickListener {
+            if (dataBeans.isEmpty()) {
+                "请先设置连续拍照步骤".show(this)
+                return@setOnClickListener
+            }
             if (isPreviewSuccess) {
 
+            } else {
+                "摄像头预览未打开，无法拍照".show(this)
             }
         }
 
         binding.addButton.setOnClickListener {
+            val step = if (dataBeans.isEmpty()) {
+                0
+            } else {
+                dataBeans.last().step
+            }
             AddCameraPointDialog.Builder()
                 .setContext(this)
-                .setLastStep(dataBeans.last().step)
+                .setLastStep(step)
                 .setNegativeButton("取消")
                 .setPositiveButton("添加")
                 .setOnDialogButtonClickListener(object :

diff --git a/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt b/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
index 0f1b5e1..c0020ec 100644
--- a/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
@@ -1,18 +1,32 @@
 package com.casic.endoscope.view
 
 import android.os.Bundle
-import com.casic.endoscope.R
+import android.util.Log
 import com.casic.endoscope.databinding.ActivityAlbumBinding
-import com.casic.endoscope.extensions.initImmersionBar
+import com.casic.endoscope.extensions.createVideoFileDir
+import com.gyf.immersionbar.ImmersionBar
 import com.pengxh.kt.lite.base.KotlinBaseActivity
+import com.pengxh.kt.lite.extensions.createImageFileDir
+import com.pengxh.kt.lite.extensions.getStatusBarHeight
 
-class AlbumActivity: KotlinBaseActivity<ActivityAlbumBinding>() {
+class AlbumActivity : KotlinBaseActivity<ActivityAlbumBinding>() {
+
+    private val kTag = "AlbumActivity"
+
     override fun initEvent() {
-        
+
     }
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
-        
+        val videoDir = createVideoFileDir()
+        videoDir.listFiles()?.forEach {
+            Log.d(kTag, "initOnCreate => ${it.name}")
+        }
+
+        val imageDir = createImageFileDir()
+        imageDir.listFiles()?.forEach {
+            Log.d(kTag, "initOnCreate => ${it.name}")
+        }
     }
 
     override fun initViewBinding(): ActivityAlbumBinding {
@@ -20,10 +34,14 @@
     }
 
     override fun observeRequestState() {
-        
+
     }
 
     override fun setupTopBarLayout() {
-        binding.rootView.initImmersionBar(this, true, R.color.white)
+        ImmersionBar.with(this).statusBarDarkFont(false).init()
+        //根据不同设备状态栏高度设置statusBarView高度
+        val statusBarHeight = getStatusBarHeight()
+        binding.rootView.setPadding(0, statusBarHeight, 0, 0)
+        binding.rootView.requestLayout()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
index cc38d90..8c1a5dd 100644
--- a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
@@ -9,6 +9,7 @@
 import android.view.KeyEvent
 import android.view.MotionEvent
 import android.view.SurfaceHolder
+import android.view.View
 import androidx.lifecycle.lifecycleScope
 import com.casic.endoscope.adapter.CameraPointAdapter
 import com.casic.endoscope.bean.CameraPointBean
@@ -35,7 +36,6 @@
 import com.pengxh.kt.lite.widget.SteeringWheelView
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -113,22 +113,20 @@
         //单张拍照
         binding.imageButton.setOnClickListener {
             if (isPreviewSuccess) {
-                lifecycleScope.launch(Dispatchers.IO) {
-                    val strJpeg = NET_DVR_JPEGPARA()
-                    strJpeg.wPicQuality = 1
-                    strJpeg.wPicSize = 2
+                val strJpeg = NET_DVR_JPEGPARA()
+                strJpeg.wPicQuality = 1
+                strJpeg.wPicSize = 2
 
-                    val imagePath = "/${createImageFileDir()}/${timeFormat.format(Date())}.png"
-                    hkSDK.NET_DVR_CaptureJPEGPicture(
-                        returnUserId, selectChannel, strJpeg, imagePath
-                    )
+                val imagePath = "/${createImageFileDir()}/${timeFormat.format(Date())}.png"
+                hkSDK.NET_DVR_CaptureJPEGPicture(
+                    returnUserId, selectChannel, strJpeg, imagePath
+                )
 
-                    if (MessageCodeHub.getErrorCode() == 0) {
-                        withContext(Dispatchers.Main) {
-                            "画面抓取成功".show(this@MainActivity)
-                        }
-                    }
+                if (MessageCodeHub.getErrorCode() == 0) {
+                    "画面抓取成功".show(this@MainActivity)
                 }
+            } else {
+                "摄像头预览未打开，无法拍照".show(this)
             }
         }
 
@@ -137,26 +135,42 @@
             if (isPreviewSuccess) {
                 val videoPath = "/${createVideoFileDir()}/${timeFormat.format(Date())}.mp4"
                 hkSDK.NET_DVR_SaveRealData(returnUserId, videoPath)
+                binding.videoStateView.visibility = View.VISIBLE
+            } else {
+                "摄像头预览未打开，无法录制视频".show(this)
             }
         }
 
         binding.videoButton.setOnLongClickListener {
             //停止视频抓取
             hkSDK.NET_DVR_StopSaveRealData(returnUserId)
+            binding.videoStateView.visibility = View.INVISIBLE
+            "视频录制成功".show(this@MainActivity)
             true
         }
 
         //连续拍照
         binding.multipleImageButton.setOnClickListener {
+            if (dataBeans.isEmpty()) {
+                "请先设置连续拍照步骤".show(this)
+                return@setOnClickListener
+            }
             if (isPreviewSuccess) {
 
+            } else {
+                "摄像头预览未打开，无法拍照".show(this)
             }
         }
 
         binding.addButton.setOnClickListener {
+            val step = if (dataBeans.isEmpty()) {
+                0
+            } else {
+                dataBeans.last().step
+            }
             AddCameraPointDialog.Builder()
                 .setContext(this)
-                .setLastStep(dataBeans.last().step)
+                .setLastStep(step)
                 .setNegativeButton("取消")
                 .setPositiveButton("添加")
                 .setOnDialogButtonClickListener(object :
diff --git a/app/src/main/res/layout/activity_album.xml b/app/src/main/res/layout/activity_album.xml
index 6c46e40..38360ea 100644
--- a/app/src/main/res/layout/activity_album.xml
+++ b/app/src/main/res/layout/activity_album.xml
@@ -1,8 +1,60 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/rootView"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@mipmap/banner"
     android:orientation="vertical">
 
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/titleViewHeight"
+        android:gravity="center_vertical"
+        android:orientation="horizontal">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginVertical="@dimen/dp_10"
+            android:paddingHorizontal="-10dp"
+            android:src="@mipmap/ic_launcher" />
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="内窥辅助设备管理系统"
+            android:textColor="@color/white"
+            android:textSize="@dimen/sp_18"
+            android:textStyle="bold" />
+
+        <Button
+            android:id="@+id/ascButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="时间升序" />
+
+        <Button
+            android:id="@+id/decButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="@dimen/dp_10"
+            android:text="时间降序" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:background="@color/white"
+        android:orientation="horizontal">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/parentRecyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:scrollbars="vertical"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
+    </LinearLayout>
 </LinearLayout>
\ No newline at end of file

diff --git a/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt b/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
index 0f1b5e1..c0020ec 100644
--- a/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/AlbumActivity.kt
@@ -1,18 +1,32 @@
 package com.casic.endoscope.view
 
 import android.os.Bundle
-import com.casic.endoscope.R
+import android.util.Log
 import com.casic.endoscope.databinding.ActivityAlbumBinding
-import com.casic.endoscope.extensions.initImmersionBar
+import com.casic.endoscope.extensions.createVideoFileDir
+import com.gyf.immersionbar.ImmersionBar
 import com.pengxh.kt.lite.base.KotlinBaseActivity
+import com.pengxh.kt.lite.extensions.createImageFileDir
+import com.pengxh.kt.lite.extensions.getStatusBarHeight
 
-class AlbumActivity: KotlinBaseActivity<ActivityAlbumBinding>() {
+class AlbumActivity : KotlinBaseActivity<ActivityAlbumBinding>() {
+
+    private val kTag = "AlbumActivity"
+
     override fun initEvent() {
-        
+
     }
 
     override fun initOnCreate(savedInstanceState: Bundle?) {
-        
+        val videoDir = createVideoFileDir()
+        videoDir.listFiles()?.forEach {
+            Log.d(kTag, "initOnCreate => ${it.name}")
+        }
+
+        val imageDir = createImageFileDir()
+        imageDir.listFiles()?.forEach {
+            Log.d(kTag, "initOnCreate => ${it.name}")
+        }
     }
 
     override fun initViewBinding(): ActivityAlbumBinding {
@@ -20,10 +34,14 @@
     }
 
     override fun observeRequestState() {
-        
+
     }
 
     override fun setupTopBarLayout() {
-        binding.rootView.initImmersionBar(this, true, R.color.white)
+        ImmersionBar.with(this).statusBarDarkFont(false).init()
+        //根据不同设备状态栏高度设置statusBarView高度
+        val statusBarHeight = getStatusBarHeight()
+        binding.rootView.setPadding(0, statusBarHeight, 0, 0)
+        binding.rootView.requestLayout()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
index cc38d90..8c1a5dd 100644
--- a/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
+++ b/app/src/main/java/com/casic/endoscope/view/MainActivity.kt
@@ -9,6 +9,7 @@
 import android.view.KeyEvent
 import android.view.MotionEvent
 import android.view.SurfaceHolder
+import android.view.View
 import androidx.lifecycle.lifecycleScope
 import com.casic.endoscope.adapter.CameraPointAdapter
 import com.casic.endoscope.bean.CameraPointBean
@@ -35,7 +36,6 @@
 import com.pengxh.kt.lite.widget.SteeringWheelView
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
-import kotlinx.coroutines.withContext
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
@@ -113,22 +113,20 @@
         //单张拍照
         binding.imageButton.setOnClickListener {
             if (isPreviewSuccess) {
-                lifecycleScope.launch(Dispatchers.IO) {
-                    val strJpeg = NET_DVR_JPEGPARA()
-                    strJpeg.wPicQuality = 1
-                    strJpeg.wPicSize = 2
+                val strJpeg = NET_DVR_JPEGPARA()
+                strJpeg.wPicQuality = 1
+                strJpeg.wPicSize = 2
 
-                    val imagePath = "/${createImageFileDir()}/${timeFormat.format(Date())}.png"
-                    hkSDK.NET_DVR_CaptureJPEGPicture(
-                        returnUserId, selectChannel, strJpeg, imagePath
-                    )
+                val imagePath = "/${createImageFileDir()}/${timeFormat.format(Date())}.png"
+                hkSDK.NET_DVR_CaptureJPEGPicture(
+                    returnUserId, selectChannel, strJpeg, imagePath
+                )
 
-                    if (MessageCodeHub.getErrorCode() == 0) {
-                        withContext(Dispatchers.Main) {
-                            "画面抓取成功".show(this@MainActivity)
-                        }
-                    }
+                if (MessageCodeHub.getErrorCode() == 0) {
+                    "画面抓取成功".show(this@MainActivity)
                 }
+            } else {
+                "摄像头预览未打开，无法拍照".show(this)
             }
         }
 
@@ -137,26 +135,42 @@
             if (isPreviewSuccess) {
                 val videoPath = "/${createVideoFileDir()}/${timeFormat.format(Date())}.mp4"
                 hkSDK.NET_DVR_SaveRealData(returnUserId, videoPath)
+                binding.videoStateView.visibility = View.VISIBLE
+            } else {
+                "摄像头预览未打开，无法录制视频".show(this)
             }
         }
 
         binding.videoButton.setOnLongClickListener {
             //停止视频抓取
             hkSDK.NET_DVR_StopSaveRealData(returnUserId)
+            binding.videoStateView.visibility = View.INVISIBLE
+            "视频录制成功".show(this@MainActivity)
             true
         }
 
         //连续拍照
         binding.multipleImageButton.setOnClickListener {
+            if (dataBeans.isEmpty()) {
+                "请先设置连续拍照步骤".show(this)
+                return@setOnClickListener
+            }
             if (isPreviewSuccess) {
 
+            } else {
+                "摄像头预览未打开，无法拍照".show(this)
             }
         }
 
         binding.addButton.setOnClickListener {
+            val step = if (dataBeans.isEmpty()) {
+                0
+            } else {
+                dataBeans.last().step
+            }
             AddCameraPointDialog.Builder()
                 .setContext(this)
-                .setLastStep(dataBeans.last().step)
+                .setLastStep(step)
                 .setNegativeButton("取消")
                 .setPositiveButton("添加")
                 .setOnDialogButtonClickListener(object :
diff --git a/app/src/main/res/layout/activity_album.xml b/app/src/main/res/layout/activity_album.xml
index 6c46e40..38360ea 100644
--- a/app/src/main/res/layout/activity_album.xml
+++ b/app/src/main/res/layout/activity_album.xml
@@ -1,8 +1,60 @@
 <?xml version="1.0" encoding="utf-8"?>
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/rootView"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@mipmap/banner"
     android:orientation="vertical">
 
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/titleViewHeight"
+        android:gravity="center_vertical"
+        android:orientation="horizontal">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginVertical="@dimen/dp_10"
+            android:paddingHorizontal="-10dp"
+            android:src="@mipmap/ic_launcher" />
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="内窥辅助设备管理系统"
+            android:textColor="@color/white"
+            android:textSize="@dimen/sp_18"
+            android:textStyle="bold" />
+
+        <Button
+            android:id="@+id/ascButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="时间升序" />
+
+        <Button
+            android:id="@+id/decButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="@dimen/dp_10"
+            android:text="时间降序" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1"
+        android:background="@color/white"
+        android:orientation="horizontal">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/parentRecyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:scrollbars="vertical"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />
+    </LinearLayout>
 </LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index d1a54ee..549967b 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -7,36 +7,51 @@
     android:background="@mipmap/banner"
     android:orientation="vertical">
 
-    <LinearLayout
+    <RelativeLayout
         android:layout_width="match_parent"
-        android:layout_height="@dimen/titleViewHeight"
-        android:gravity="center_vertical"
-        android:orientation="horizontal">
+        android:layout_height="@dimen/titleViewHeight">
 
-        <ImageView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginVertical="@dimen/dp_10"
-            android:paddingHorizontal="-10dp"
-            android:src="@mipmap/ic_launcher" />
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="@dimen/titleViewHeight"
+            android:gravity="center_vertical"
+            android:orientation="horizontal">
+
+            <ImageView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginVertical="@dimen/dp_10"
+                android:paddingHorizontal="-10dp"
+                android:src="@mipmap/ic_launcher" />
+
+            <TextView
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:text="内窥辅助设备管理系统"
+                android:textColor="@color/white"
+                android:textSize="@dimen/sp_18"
+                android:textStyle="bold" />
+
+            <ImageButton
+                android:id="@+id/openAlbumButton"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="@dimen/dp_10"
+                android:background="@null"
+                android:src="@mipmap/image_button" />
+        </LinearLayout>
 
         <TextView
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="内窥辅助设备管理系统"
-            android:textColor="@color/white"
-            android:textSize="@dimen/sp_18"
-            android:textStyle="bold" />
-
-        <ImageButton
-            android:id="@+id/openAlbumButton"
+            android:id="@+id/videoStateView"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginEnd="@dimen/dp_10"
-            android:background="@null"
-            android:src="@mipmap/image_button" />
-    </LinearLayout>
+            android:layout_centerInParent="true"
+            android:text="视频录制中，长按视频录制按钮，停止录制"
+            android:textColor="@color/white"
+            android:textSize="@dimen/sp_18"
+            android:visibility="invisible" />
+    </RelativeLayout>
 
     <LinearLayout
         android:layout_width="match_parent"