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 fe491a5..43699d7 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
@@ -89,7 +89,7 @@
         binding.surfaceView.holder.setFormat(PixelFormat.RGBA_8888)
         binding.surfaceView.holder.addCallback(this)
 
-        lifecycleScope.launch(Dispatchers.Main) {
+        lifecycleScope.launch(Dispatchers.IO) {
             //性能太差，延缓加载相机
             delay(1000)
             yolov8ncnn.openCamera(1)

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 fe491a5..43699d7 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
@@ -89,7 +89,7 @@
         binding.surfaceView.holder.setFormat(PixelFormat.RGBA_8888)
         binding.surfaceView.holder.addCallback(this)
 
-        lifecycleScope.launch(Dispatchers.Main) {
+        lifecycleScope.launch(Dispatchers.IO) {
             //性能太差，延缓加载相机
             delay(1000)
             yolov8ncnn.openCamera(1)
diff --git a/app/src/main/java/com/casic/br/ar/app/view/FreeModeActivity.kt b/app/src/main/java/com/casic/br/ar/app/view/FreeModeActivity.kt
index bb53e98..f4e2922 100644
--- a/app/src/main/java/com/casic/br/ar/app/view/FreeModeActivity.kt
+++ b/app/src/main/java/com/casic/br/ar/app/view/FreeModeActivity.kt
@@ -41,7 +41,8 @@
         binding.surfaceView.holder.setFormat(PixelFormat.RGBA_8888)
         binding.surfaceView.holder.addCallback(this)
 
-        lifecycleScope.launch(Dispatchers.Main) {
+        lifecycleScope.launch(Dispatchers.IO) {
+            //性能太差，延缓加载相机
             delay(1000)
             yolov8ncnn.openCamera(1)
         }