diff --git a/app/src/main/cpp/SensorsProtocol.h b/app/src/main/cpp/SensorsProtocol.h
index f56dacd4..06ddc11c 100644
--- a/app/src/main/cpp/SensorsProtocol.h
+++ b/app/src/main/cpp/SensorsProtocol.h
@@ -256,6 +256,7 @@ typedef struct
     PHOTO_DEF   image;          /* 临时存储图片数据*/
     int64_t		FirstCmdTimeCnt;	/* 串口读取数据起始时间*/
     PTZ_STATE   ptz_state;
+    int sendptzstatecmd;
 } SIO_PARAM_SERIAL_DEF;
 
 //串口相关装置所有参数集中定义
@@ -485,6 +486,7 @@ int GM_IsCloseCamera(SIO_PARAM_SERIAL_DEF *pPortParam);
 
 int GM_CameraSerialTimer(SIO_PARAM_SERIAL_DEF *pPortParam);
 
+int QueryPtzState(PTZ_STATE *ptz_state, int cmdidx,  const char *serfile, unsigned int baud, int addr);
 #endif // __SENSOR_PROTOCOL_H__