fix(grpc_BS):fix camera image upload fuction

src/driver/driver_cloud_grpc_client_BS/vehicle_upload.cpp

@@ -70,7 +70,7 @@ void DataExchangeClient::ListenPicMsg(const char * strdata,const unsigned int nS
 
     gMutex_ImageFront.lock();
     cameraImageFront.clear();
-    cameraImageFront.fromStdString(xdata.picdata());
+    cameraImageFront.append(xdata.picdata().data(),xdata.picdata().size());
     gMutex_ImageFront.unlock();
 }
 
@@ -209,7 +209,7 @@ void DataExchangeClient::updateData(void)
     heading = 198.4;
 
 //    QFile xFile;
-//    xFile.setFileName("/home/samuel/Pictures/123.jpg");
+//    xFile.setFileName("/home/nvidia/Pictures/123.jpg");
 //    if(xFile.open(QIODevice::ReadOnly))
 //    {
 //        cameraImageFront = xFile.readAll();