diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index ac8c9a13..8110bda2 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -498,6 +498,7 @@ void CPhoneDevice::SetListener(IListener* listener)
 
 void CPhoneDevice::SetRecognizationCfg(const IDevice::CFG_RECOGNIZATION* pRecognizationCfg)
 {
+    return;
     if (m_pRecognizationCfg == NULL && pRecognizationCfg != NULL && (pRecognizationCfg->enabled != 0))
     {
         // TODO
@@ -1167,6 +1168,9 @@ bool CPhoneDevice::RegisterHandlerForSignal(int sig)
 
 void CPhoneDevice::handleTimer(union sigval v)
 {
+#ifdef _DEBUG
+    setThreadName("bztimer");
+#endif
     TIMER_CONTEXT* context = (TIMER_CONTEXT*)(v.sival_ptr);
     context->device->handleTimerImpl(context);
 }
@@ -3200,8 +3204,6 @@ int CPhoneDevice::GetIceData(IDevice::ICE_INFO *iceInfo, IDevice::ICE_TAIL *iceT
     return true;
 }
 
-
-
 int CPhoneDevice::GetWData(IDevice::WEATHER_INFO *weatherInfo)
 {
     Collect_sensor_data();		//15s
@@ -3238,7 +3240,11 @@ bool CPhoneDevice::OpenSensors(int sensortype)
         GpioControl::setRS485Enable(true);
 //        GpioControl::setInt(CMD_SET_485_EN_STATE, 1);  // 打开RS485电源
 #ifndef USING_N938
+#ifndef USING_PLZ
+        GpioControl::setInt(CMD_SET_485_EN_STATE, 1);
+#else
         GpioControl::setInt(CMD_SET_485_ENABLE, 1);
+#endif
 #else
         GpioControl::setInt(CMD_SPI2SERIAL_POWER_EN, 1);
         GpioControl::setInt(CMD_RS485_3V3_EN, 1);
@@ -3247,30 +3253,43 @@ bool CPhoneDevice::OpenSensors(int sensortype)
     }
     if(sensortype == CAMERA_SENSOR_OPEN)
     {
+#ifndef USING_N938
+#ifndef USING_PLZ
+#else
+        GpioControl::setInt(CMD_SET_PTZ_PWR_ENABLE, 1);
+#endif
+#else
         GpioControl::setInt(CMD_SET_PIC1_POWER, 1);
         GpioControl::setInt(CMD_SET_485_EN4, 1);
+#endif
 //        GpioControl::setInt(CMD_SET_CAM_3V3_EN_STATE, 1); // 打开3.3V电压
         // GpioControl::setInt(CMD_SET_3V3_PWR_ENABLE, 1);
-#ifndef USING_N938
-        GpioControl::setInt(CMD_SET_PTZ_PWR_ENABLE, 1);
-#endif
     }
     if(sensortype == WEATHER_SENSOR_OPEN || sensortype == ICETHICK_SENSOR_OPEN)
     {
+#ifndef USING_N938
+#else
         GpioControl::setInt(CMD_SET_WTH_POWER, 1);
         GpioControl::setInt(CMD_SET_485_EN3, 1);
+#endif
     }
     if(sensortype == ICETHICK_SENSOR_OPEN)
     {
+#ifndef USING_N938
+#else
         GpioControl::setInt(CMD_SET_PULL_POWER, 1);
         GpioControl::setInt(CMD_SET_ANGLE_POWER, 1);
         GpioControl::setInt(CMD_SET_485_EN1, 1);
         GpioControl::setInt(CMD_SET_485_EN0, 1);
+#endif
     }
     if(sensortype == OTHER_SENSOR)
     {
+#ifndef USING_N938
+#else
         GpioControl::setInt(CMD_SET_OTHER_POWER, 1);
         GpioControl::setInt(CMD_SET_485_EN2, 1);
+#endif
     }
     return 0;
 }
@@ -3285,7 +3304,11 @@ bool CPhoneDevice::CloseSensors(int sensortype)
         GpioControl::setRS485Enable(false);
 //        GpioControl::setInt(CMD_SET_485_EN_STATE, 0);
 #ifndef USING_N938
+#ifndef USING_PLZ
+        GpioControl::setInt(CMD_SET_485_EN_STATE, 0);
+#else
         GpioControl::setInt(CMD_SET_485_ENABLE, 0);
+#endif
 #else
         GpioControl::setInt(CMD_SPI2SERIAL_POWER_EN, 0);
         GpioControl::setInt(CMD_RS485_3V3_EN, 0);
@@ -3294,30 +3317,45 @@ bool CPhoneDevice::CloseSensors(int sensortype)
     }
     if(sensortype == CAMERA_SENSOR_OPEN)
     {
+#ifdef USING_N938
         GpioControl::setInt(CMD_SET_PIC1_POWER, 0);
         GpioControl::setInt(CMD_SET_485_EN4, 0);
 //        GpioControl::setInt(CMD_SET_CAM_3V3_EN_STATE, 0);
+#endif
+
 #ifndef USING_N938
-        GpioControl::setInt(CMD_SET_3V3_PWR_ENABLE, 0);
+        // GpioControl::setInt(CMD_SET_3V3_PWR_ENABLE, 0);
+        #ifndef USING_PLZ
+        #else
         GpioControl::setInt(CMD_SET_PTZ_PWR_ENABLE, 0);
+        #endif
 #endif
     }
     if(sensortype == WEATHER_SENSOR_OPEN || sensortype == ICETHICK_SENSOR_OPEN)
     {
+#ifndef USING_N938
+#else
         GpioControl::setInt(CMD_SET_WTH_POWER, 0);
         GpioControl::setInt(CMD_SET_485_EN3, 0);
+#endif
     }
     if(sensortype == ICETHICK_SENSOR_OPEN)
     {
+#ifndef USING_N938
+#else
         GpioControl::setInt(CMD_SET_PULL_POWER, 0);
         GpioControl::setInt(CMD_SET_ANGLE_POWER, 0);
         GpioControl::setInt(CMD_SET_485_EN1, 0);
         GpioControl::setInt(CMD_SET_485_EN0, 0);
+#endif
     }
     if(sensortype == OTHER_SENSOR)
     {
+#ifndef USING_N938
+#else
         GpioControl::setInt(CMD_SET_OTHER_POWER, 0);
         GpioControl::setInt(CMD_SET_485_EN2, 0);
+#endif
     }
     return 0;
 }
diff --git a/app/src/main/cpp/SensorsProtocol.cpp b/app/src/main/cpp/SensorsProtocol.cpp
index d4bca25a..da58ed3a 100644
--- a/app/src/main/cpp/SensorsProtocol.cpp
+++ b/app/src/main/cpp/SensorsProtocol.cpp
@@ -706,7 +706,10 @@ char Gm_GetSensorsPowerState(int port)
 void BytestreamLOG(int commid, char* describe, u_char* buf, int len, char flag)
 {
 	int     i;
-	char    szbuf[4096];
+	// char    szbuf[4096];
+
+	char* szbuf = new char[4096];
+	std::unique_ptr<char[]> bufptr(szbuf);
 
 	memset(szbuf, 0, sizeof(szbuf));
 	if (NULL != describe)
@@ -743,7 +746,8 @@ void BytestreamLOG(int commid, char* describe, u_char* buf, int len, char flag)
 void Gm_OpenSerialPort(int devidx)
 {
 	int	fd = -1;
-	char szbuf[512];
+	char* szbuf = new char[512];
+	std::unique_ptr<char[]> bufptr(szbuf);
 
 	if ((devidx < 0) || (devidx >= MAX_SERIAL_DEV_NUM))
 		return;
@@ -792,7 +796,8 @@ void Gm_CloseSerialPort()
 int GM_SerialComSend(unsigned char * cSendBuf, size_t nSendLen, int commid)
 {
 	int     i, len;
-	char    szbuf[512];
+	char* szbuf = new char[512];
+	std::unique_ptr<char[]> bufptr(szbuf);
 
 	memset(szbuf, 0, sizeof(szbuf));
 	len = write(serialport[commid].fd, cSendBuf, (size_t)nSendLen);/* 向串囗发送字符串 */
@@ -1700,7 +1705,9 @@ void GM_IsCloseSensors()
 void GM_AllSerialComRecv()
 {
 	int	i, j, recvlen;
-	u_char	recvbuf[RECVDATA_MAXLENTH];
+	u_char*	recvbuf = new u_char[RECVDATA_MAXLENTH];
+    std::unique_ptr<u_char[]> recvbufptr(recvbuf);
+
 	char		buf[256];
 
 	for (j = 0; j < MAX_SERIAL_PORT_NUM; j++)
@@ -1732,7 +1739,7 @@ void GM_AllSerialComRecv()
 int GM_CloseTimer()
 {
 	int		i, j, iretime;
-	char		buf[256];
+	char		buf[32];
 
 	for (i = 0; i < MAX_SERIAL_DEV_NUM; i++)
 	{
@@ -1810,7 +1817,17 @@ int SaveLogTofile(int commid, char *szbuf)
 {
 	int             status;
 	time_t          now;
-	char            filename[512], filedir[512], buf[128];
+
+	// char            filename[512], filedir[512], buf[128];
+
+	char* filename = new char[512];
+	char* filedir = new char[512];
+	char* buf = new char[128];
+
+	std::unique_ptr<char[]> fnptr(filename);
+	std::unique_ptr<char[]> fdptr(filedir);
+	std::unique_ptr<char[]> bufptr(buf);
+
 	FILE            *fp = NULL;
 	struct tm       t0;
 	struct timeval tv;
@@ -1856,7 +1873,7 @@ int SaveImageDataTofile(int devno)
 	u_char          *image = NULL, *tempphoto = NULL;
 	int             i, status;
 	size_t          len;
-	char            filename[512]/*, filedir[512]*/, szbuf[128];
+	char            szbuf[32];
 	FILE            *fp = NULL;
 	SERIAL_DEV_DEF	*pPortParam;
 
@@ -3394,7 +3411,8 @@ int Gm_CtrlPtzCmd(u_char channel, uint32_t ptzcmd)
 		time_t now = time(NULL);
 		DIR *dir = opendir(path);
 		struct dirent *entry;
-		char szbuf[1024];
+		char* szbuf = new char[1024];
+        std::unique_ptr<char[]> szbufptr(szbuf);
 		char fullpath[256];
 
 		memset(szbuf, 0, sizeof(szbuf));