diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 1e3ce7c9..d0765301 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -3682,7 +3682,7 @@ void CPhoneDevice::ConvertDngToPng(const std::string& dngPath, const std::string
     }
 }
 
-void CPhoneDevice::CameraCtrl(unsigned char waitTime, unsigned char delayTime, unsigned char channel, int cmdidx, unsigned char preset, const char *serfile, unsigned int baud, int addr)
+void CPhoneDevice::CameraCtrl(unsigned short waitTime, unsigned short delayTime, unsigned char channel, int cmdidx, unsigned char preset, const char *serfile, unsigned int baud, int addr)
 {
     if(!(m_sensorsStatus && !m_cameraStatus)) {
         CPhoneDevice *pThis = this;
diff --git a/app/src/main/cpp/PhoneDevice.h b/app/src/main/cpp/PhoneDevice.h
index 2c3aa177..7af28b0d 100644
--- a/app/src/main/cpp/PhoneDevice.h
+++ b/app/src/main/cpp/PhoneDevice.h
@@ -239,7 +239,7 @@ public:
     virtual bool ClosePTZSensors(uint32_t delayedCloseTime);
 	virtual bool GetPTZSensorsStatus();
 	virtual bool GetCameraStatus();
-    virtual void CameraCtrl(unsigned char waitTime, unsigned char delayTime, unsigned char channel, int cmdidx, unsigned char presetno, const char *serfile, unsigned int baud, int addr);
+    virtual void CameraCtrl(unsigned short waitTime, unsigned short delayTime, unsigned char channel, int cmdidx, unsigned char presetno, const char *serfile, unsigned int baud, int addr);
 	virtual int GetSerialPhoto(int devno, D_IMAGE_DEF *photo);
 	virtual void InitSerialComm(D_SENSOR_PARAM *sensorParam, char *filedir);