diff --git a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
index ed294bda..eed94393 100644
--- a/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
+++ b/app/src/main/java/com/xypower/mpapp/MicroPhotoService.java
@@ -339,7 +339,8 @@ public class MicroPhotoService extends Service {
                         mService.notifyToTakePhoto(mService.mNativeHandle, channel, preset, ts, photoOrVideo);
                     }
 
-                    {
+                    File cameraAdbCfg = new File(MicroPhotoContext.buildMpAppDir(mService.getApplication()), "data/cameraAdb.cfg");
+                    if (cameraAdbCfg.exists()) {
                         final String appPath = MicroPhotoContext.buildMpAppDir(context);
                         mService.mHander.postDelayed(new Runnable() {
                             @Override