diff --git a/app/src/main/cpp/SensorsProtocol.cpp b/app/src/main/cpp/SensorsProtocol.cpp
index 9df8091e..38f72441 100644
--- a/app/src/main/cpp/SensorsProtocol.cpp
+++ b/app/src/main/cpp/SensorsProtocol.cpp
@@ -1395,7 +1395,7 @@ void GM_StartSerialCameraPhoto(uint8_t channel, int cmdidx)
 	if ((i < 0) || (i >= MAX_SERIAL_PORT_NUM))
 		return;
 	serialport[i].Retry = 0;
-	serialport[i].RetryTime = 1000;
+	serialport[i].RetryTime = 2000;
 	serialport[i].WaitTime = 0;
 	serialport[i].m_iRevStatus = 0;
 	serialport[i].m_iRecvLen = 0;