diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f3137e2..de85667 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -71,7 +71,8 @@
             android:screenOrientation="landscape" />
         <activity
             android:name=".view.CheckResultActivity"
-            android:screenOrientation="landscape" />
+            android:screenOrientation="landscape"
+            android:theme="@style/ActivityOnDialogStyle" />
         <activity
             android:name=".view.FreeModeActivity"
             android:screenOrientation="landscape" />

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f3137e2..de85667 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -71,7 +71,8 @@
             android:screenOrientation="landscape" />
         <activity
             android:name=".view.CheckResultActivity"
-            android:screenOrientation="landscape" />
+            android:screenOrientation="landscape"
+            android:theme="@style/ActivityOnDialogStyle" />
         <activity
             android:name=".view.FreeModeActivity"
             android:screenOrientation="landscape" />
diff --git a/app/src/main/java/com/casic/br/ar/app/view/CheckModeActivity.kt b/app/src/main/java/com/casic/br/ar/app/view/CheckModeActivity.kt
index 4b55060..1a298b0 100644
--- a/app/src/main/java/com/casic/br/ar/app/view/CheckModeActivity.kt
+++ b/app/src/main/java/com/casic/br/ar/app/view/CheckModeActivity.kt
@@ -13,6 +13,7 @@
 import android.view.WindowManager
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
 import com.amap.api.location.AMapLocation
 import com.casic.br.ar.app.databinding.ActivityCheckModeBinding
 import com.casic.br.ar.app.extensions.convert2YoloResult
@@ -38,6 +39,9 @@
 import com.pengxh.kt.lite.utils.SaveKeyValues
 import com.pengxh.kt.lite.utils.WeakReferenceHandler
 import com.pengxh.kt.lite.widget.dialog.AlertControlDialog
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 import org.opencv.core.Mat
 import java.io.File
 
@@ -51,9 +55,9 @@
     private val targetSet by lazy { HashSet<String>() }
     private val detectedSceneSet by lazy { HashSet<String>() }
     private val yolov8ncnn by lazy { Yolov8ncnn() }
-    private val mat by lazy { Mat() }
     private val weakReferenceHandler by lazy { WeakReferenceHandler(this) }
     private val detectResultDialog by lazy { DetectResultDialog(this) }
+    private lateinit var mat: Mat
     private lateinit var inspectionViewModel: InspectionViewModel
     private lateinit var configViewModel: ConfigViewModel
     private lateinit var imageFileViewModel: ImageFileViewModel
@@ -68,6 +72,8 @@
     override fun initOnCreate(savedInstanceState: Bundle?) {
         window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
 
+        mat = Mat()
+
         //加载算法模型。先用检测识别场景，再用分割识别目标和隐患（分割函数用了两个模型）
         yolov8ncnn.loadModel(
             assets, 1, useGpu = false,
@@ -152,9 +158,14 @@
         ActivityResultContracts.StartActivityForResult()
     ) {
         if (it.resultCode == Activity.RESULT_OK) {
-            yolov8ncnn.closeCamera()
+            lifecycleScope.launch(Dispatchers.Main) {
+                yolov8ncnn.closeCamera()
+                mat.release()
 
-            finish()
+                delay(1000)
+
+                finish()
+            }
         }
     }
 

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f3137e2..de85667 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -71,7 +71,8 @@
             android:screenOrientation="landscape" />
         <activity
             android:name=".view.CheckResultActivity"
-            android:screenOrientation="landscape" />
+            android:screenOrientation="landscape"
+            android:theme="@style/ActivityOnDialogStyle" />
         <activity
             android:name=".view.FreeModeActivity"
             android:screenOrientation="landscape" />
diff --git a/app/src/main/java/com/casic/br/ar/app/view/CheckModeActivity.kt b/app/src/main/java/com/casic/br/ar/app/view/CheckModeActivity.kt
index 4b55060..1a298b0 100644
--- a/app/src/main/java/com/casic/br/ar/app/view/CheckModeActivity.kt
+++ b/app/src/main/java/com/casic/br/ar/app/view/CheckModeActivity.kt
@@ -13,6 +13,7 @@
 import android.view.WindowManager
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.lifecycleScope
 import com.amap.api.location.AMapLocation
 import com.casic.br.ar.app.databinding.ActivityCheckModeBinding
 import com.casic.br.ar.app.extensions.convert2YoloResult
@@ -38,6 +39,9 @@
 import com.pengxh.kt.lite.utils.SaveKeyValues
 import com.pengxh.kt.lite.utils.WeakReferenceHandler
 import com.pengxh.kt.lite.widget.dialog.AlertControlDialog
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 import org.opencv.core.Mat
 import java.io.File
 
@@ -51,9 +55,9 @@
     private val targetSet by lazy { HashSet<String>() }
     private val detectedSceneSet by lazy { HashSet<String>() }
     private val yolov8ncnn by lazy { Yolov8ncnn() }
-    private val mat by lazy { Mat() }
     private val weakReferenceHandler by lazy { WeakReferenceHandler(this) }
     private val detectResultDialog by lazy { DetectResultDialog(this) }
+    private lateinit var mat: Mat
     private lateinit var inspectionViewModel: InspectionViewModel
     private lateinit var configViewModel: ConfigViewModel
     private lateinit var imageFileViewModel: ImageFileViewModel
@@ -68,6 +72,8 @@
     override fun initOnCreate(savedInstanceState: Bundle?) {
         window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
 
+        mat = Mat()
+
         //加载算法模型。先用检测识别场景，再用分割识别目标和隐患（分割函数用了两个模型）
         yolov8ncnn.loadModel(
             assets, 1, useGpu = false,
@@ -152,9 +158,14 @@
         ActivityResultContracts.StartActivityForResult()
     ) {
         if (it.resultCode == Activity.RESULT_OK) {
-            yolov8ncnn.closeCamera()
+            lifecycleScope.launch(Dispatchers.Main) {
+                yolov8ncnn.closeCamera()
+                mat.release()
 
-            finish()
+                delay(1000)
+
+                finish()
+            }
         }
     }
 
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 530c03b..89ad4c3 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -19,4 +19,22 @@
         <item name="android:activityCloseExitAnimation">@anim/activity_out</item>
     </style>
 
+    <style name="ActivityOnDialogStyle" parent="Theme.AppCompat.Light.Dialog">
+        <!--设置dialog的背景-->
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <!--设置Dialog的windowFrame框为无-->
+        <item name="android:windowFrame">@null</item>
+        <!--设置无标题-->
+        <item name="windowNoTitle">true</item>
+        <!--是否浮现在activity之上，设置成true在部分机型上高度可能显示不全-->
+        <item name="android:windowIsFloating">false</item>
+        <!--是否半透明-->
+        <item name="android:windowIsTranslucent">true</item>
+        <!--设置窗口内容不覆盖-->
+        <item name="android:windowContentOverlay">@null</item>
+        <!--设置动画-->
+        <item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
+        <!--背景是否模糊显示-->
+        <item name="android:backgroundDimEnabled">true</item>
+    </style>
 </resources>
\ No newline at end of file