diff --git a/app/src/main/cpp/MicroPhoto.cpp b/app/src/main/cpp/MicroPhoto.cpp
index f51d70cf..2fd4c4df 100644
--- a/app/src/main/cpp/MicroPhoto.cpp
+++ b/app/src/main/cpp/MicroPhoto.cpp
@@ -394,9 +394,9 @@ Java_com_xypower_mpapp_MicroPhotoService_takePhoto(
 
     if (photoInfo.usbCamera)
     {
-        device->TurnOnOtg(NULL);
+        CPhoneDevice::TurnOnOtg(NULL);
     }
-    device->TurnOnCameraPower(NULL);
+    CPhoneDevice::TurnOnCameraPower(NULL);
 
     std::vector<IDevice::OSD_INFO> osds;
     osds.resize(4);
@@ -415,11 +415,11 @@ Java_com_xypower_mpapp_MicroPhotoService_takePhoto(
 
     env->ReleaseStringUTFChars(path, pathStr);
 
-    device->TurnOffCameraPower(NULL);
-    if (photoInfo.usbCamera)
-    {
-        device->TurnOffOtg(NULL);
-    }
+    // device->TurnOffCameraPower(NULL);
+    // if (photoInfo.usbCamera)
+    //{
+    //    device->TurnOffOtg(NULL);
+    //}
 
     return reinterpret_cast<jlong>(device);
 }