diff --git a/app/src/main/cpp/PhoneDevice.cpp b/app/src/main/cpp/PhoneDevice.cpp
index 53d70ee6..318df2ea 100644
--- a/app/src/main/cpp/PhoneDevice.cpp
+++ b/app/src/main/cpp/PhoneDevice.cpp
@@ -3802,7 +3802,7 @@ int CPhoneDevice::GetSerialPhoto(int devno, D_IMAGE_DEF *photo)
     return GetImage(devno, (IMAGE_DEF*)photo);
 
 }
-void CPhoneDevice::InitSerialComm(D_SENSOR_PARAM *sensorParam, char *filedir, char *logpath)
+void CPhoneDevice::InitSerialComm(D_SENSOR_PARAM *sensorParam, char *filedir,const char *logpath)
 {
     Gm_InitSerialComm((SENSOR_PARAM *)sensorParam, filedir, logpath);
 }
diff --git a/app/src/main/cpp/PhoneDevice.h b/app/src/main/cpp/PhoneDevice.h
index 63beffb7..077cda68 100644
--- a/app/src/main/cpp/PhoneDevice.h
+++ b/app/src/main/cpp/PhoneDevice.h
@@ -241,7 +241,7 @@ public:
 	virtual bool GetCameraStatus();
     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, char *logpath);
+	virtual void InitSerialComm(D_SENSOR_PARAM *sensorParam, char *filedir,const char *logpath);
 
 	bool LoadNetworkInfo();
     bool GetNextScheduleItem(uint32_t tsBasedZero, uint32_t scheduleTime, vector<uint32_t>& items);
diff --git a/app/src/main/cpp/SensorsProtocol.cpp b/app/src/main/cpp/SensorsProtocol.cpp
index c53c5fd8..662df4ee 100644
--- a/app/src/main/cpp/SensorsProtocol.cpp
+++ b/app/src/main/cpp/SensorsProtocol.cpp
@@ -950,7 +950,7 @@ uint8_t getdevtype(int devno)
 	return devparam[devno].ProtocolIdx;
 }
 // 初始化所有串口及所接传感器的配置
-void Gm_InitSerialComm(SENSOR_PARAM *sensorParam, char *filedir, char *log)
+void Gm_InitSerialComm(SENSOR_PARAM *sensorParam, char *filedir,const char *log)
 {
 	int	i;
 	char	szbuf[128];
@@ -1687,7 +1687,7 @@ int SaveLogTofile(int commid, char *szbuf)
 	}
 	// 写入文件到sdcard
 	memset(filename, 0, sizeof(filename));
-	sprintf(filename, "%sCOM%dlog-%d-%d-%d.log", filedir, commid + 1, t0.tm_year + 1900, t0.tm_mon + 1, t0.tm_mday);
+	sprintf(filename, "%sCOM%dlog-%04d-%02d-%02d.log", filedir, commid + 1, t0.tm_year + 1900, t0.tm_mon + 1, t0.tm_mday);
 	fp = fopen(filename, "a+");
 	if (NULL == fp)
 		return -1;
diff --git a/app/src/main/cpp/SensorsProtocol.h b/app/src/main/cpp/SensorsProtocol.h
index 5f49b807..6d8ee84f 100644
--- a/app/src/main/cpp/SensorsProtocol.h
+++ b/app/src/main/cpp/SensorsProtocol.h
@@ -336,7 +336,7 @@ void DebugLog(int commid, char *szbuf, char flag);
 int SaveLogTofile(int commid, char *szbuf);
 // 功能说明:串口发送数据 返回实际发送的字节数
 int GM_SerialComSend(const unsigned char * cSendBuf, size_t nSendLen, int commid);
-void Gm_InitSerialComm(SENSOR_PARAM *sensorParam, char *filedir, char *log);
+void Gm_InitSerialComm(SENSOR_PARAM *sensorParam, char *filedir,const char *log);
 // 启动串口通讯
 void GM_StartSerialComm();
 // 启动使用串口拍照