diff --git a/src/HLSCL.cpp b/src/HLSCL.cpp
index 547d13a..d7cc2b7 100644
--- a/src/HLSCL.cpp
+++ b/src/HLSCL.cpp
@@ -8,15 +8,20 @@
 #include "HLSCL.h"
 
 HLSCL::HLSCL()
+	: SCSerial(0)
+	, Mem{}
 {
-	End = 0;
 }
 
-HLSCL::HLSCL(u8 End):SCSerial(End)
+HLSCL::HLSCL(u8 End)
+	: SCSerial(End)
+	, Mem{}
 {
 }
 
-HLSCL::HLSCL(u8 End, u8 Level):SCSerial(End, Level)
+HLSCL::HLSCL(u8 End, u8 Level)
+	: SCSerial(End, Level)
+	, Mem{}
 {
 }
 
diff --git a/src/SCS.cpp b/src/SCS.cpp
index f06e42b..a41446f 100644
--- a/src/SCS.cpp
+++ b/src/SCS.cpp
@@ -9,23 +9,48 @@
 #include "SCS.h"
 
 SCS::SCS()
+	: Level(1)
+	, End(0)
+	, u8Status(0)
+	, u8Error(0)
+	, syncReadRxPacketIndex(0)
+	, syncReadRxPacketLen(0)
+	, syncReadRxPacket(nullptr)
+	, syncReadRxBuff(nullptr)
+	, syncReadRxBuffLen(0)
+	, syncReadRxBuffMax(0)
+	, syncTimeOut(0)
 {
-	Level = 1;//除广播指令所有指令返回应答
-	u8Status = 0;
 }
 
 SCS::SCS(u8 End)
+	: Level(1)
+	, End(End)
+	, u8Status(0)
+	, u8Error(0)
+	, syncReadRxPacketIndex(0)
+	, syncReadRxPacketLen(0)
+	, syncReadRxPacket(nullptr)
+	, syncReadRxBuff(nullptr)
+	, syncReadRxBuffLen(0)
+	, syncReadRxBuffMax(0)
+	, syncTimeOut(0)
 {
-	Level = 1;
-	this->End = End;
-	u8Status = 0;
 }
 
 SCS::SCS(u8 End, u8 Level)
+	: Level(Level)
+	, End(End)
+	, u8Status(0)
+	, u8Error(0)
+	, syncReadRxPacketIndex(0)
+	, syncReadRxPacketLen(0)
+	, syncReadRxPacket(nullptr)
+	, syncReadRxBuff(nullptr)
+	, syncReadRxBuffLen(0)
+	, syncReadRxBuffMax(0)
+	, syncTimeOut(0)
 {
-	this->Level = Level;
-	this->End = End;
-	u8Status = 0;
 }
 
 //1个16位数拆分为2个8位数
diff --git a/src/SCS.h b/src/SCS.h
index 3416f55..06b5bed 100644
--- a/src/SCS.h
+++ b/src/SCS.h
@@ -15,6 +15,7 @@ class SCS{
 	SCS();
 	SCS(u8 End);
 	SCS(u8 End, u8 Level);
+	virtual ~SCS() = default;
 	int genWrite(u8 ID, u8 MemAddr, u8 *nDat, u8 nLen);//普通写指令
 	int regWrite(u8 ID, u8 MemAddr, u8 *nDat, u8 nLen);//异步写指令
 	int RegWriteAction(u8 ID = 0xfe);//异步写执行指令
diff --git a/src/SCSCL.cpp b/src/SCSCL.cpp
index c1ddef4..4a1d183 100644
--- a/src/SCSCL.cpp
+++ b/src/SCSCL.cpp
@@ -8,15 +8,20 @@
 #include "SCSCL.h"
 
 SCSCL::SCSCL()
+	: SCSerial(1)
+	, Mem{}
 {
-	End = 1;
 }
 
-SCSCL::SCSCL(u8 End):SCSerial(End)
+SCSCL::SCSCL(u8 End)
+	: SCSerial(End)
+	, Mem{}
 {
 }
 
-SCSCL::SCSCL(u8 End, u8 Level):SCSerial(End, Level)
+SCSCL::SCSCL(u8 End, u8 Level)
+	: SCSerial(End, Level)
+	, Mem{}
 {
 }
 
diff --git a/src/SCSerial.cpp b/src/SCSerial.cpp
index 9523350..8e403e4 100644
--- a/src/SCSerial.cpp
+++ b/src/SCSerial.cpp
@@ -8,24 +8,41 @@
 #include "SCSerial.h"
 
 SCSerial::SCSerial()
+	: SCS()
+	, IOTimeOut(100)
+	, fd(-1)
+	, orgopt{}
+	, curopt{}
+	, txBufLen(0)
 {
-	IOTimeOut = 100;
-	fd = -1;
-	txBufLen = 0;
 }
 
-SCSerial::SCSerial(u8 End):SCS(End)
+SCSerial::SCSerial(u8 End)
+	: SCS(End)
+	, IOTimeOut(100)
+	, fd(-1)
+	, orgopt{}
+	, curopt{}
+	, txBufLen(0)
 {
-	IOTimeOut = 100;
-	fd = -1;
-	txBufLen = 0;
 }
 
-SCSerial::SCSerial(u8 End, u8 Level):SCS(End, Level)
+SCSerial::SCSerial(u8 End, u8 Level)
+	: SCS(End, Level)
+	, IOTimeOut(100)
+	, fd(-1)
+	, orgopt{}
+	, curopt{}
+	, txBufLen(0)
 {
-	IOTimeOut = 100;
-	fd = -1;
-	txBufLen = 0;
+}
+
+SCSerial::~SCSerial()
+{
+	if(fd != -1){
+		close(fd);
+		fd = -1;
+	}
 }
 
 bool SCSerial::begin(int baudRate, const char* serialPort)
diff --git a/src/SCSerial.h b/src/SCSerial.h
index a8887f6..cabe980 100644
--- a/src/SCSerial.h
+++ b/src/SCSerial.h
@@ -22,14 +22,15 @@ class SCSerial : public SCS
 	SCSerial();
 	SCSerial(u8 End);
 	SCSerial(u8 End, u8 Level);
+	~SCSerial() override;
 
 protected:
-	int writeSCS(unsigned char *nDat, int nLen);//输出nLen字节
-	int readSCS(unsigned char *nDat, int nLen);//输入nLen字节
-	int readSCS(unsigned char *nDat, int nLen, unsigned long TimeOut);
-	int writeSCS(unsigned char bDat);//输出1字节
-	void rFlushSCS();//
-	void wFlushSCS();//
+	int writeSCS(unsigned char *nDat, int nLen) override;//输出nLen字节
+	int readSCS(unsigned char *nDat, int nLen) override;//输入nLen字节
+	int readSCS(unsigned char *nDat, int nLen, unsigned long TimeOut) override;
+	int writeSCS(unsigned char bDat) override;//输出1字节
+	void rFlushSCS() override;//
+	void wFlushSCS() override;//
 public:
 	unsigned long int IOTimeOut;//输入输出超时
 public:
diff --git a/src/SMS_STS.cpp b/src/SMS_STS.cpp
index 2ccabf9..860f645 100644
--- a/src/SMS_STS.cpp
+++ b/src/SMS_STS.cpp
@@ -8,15 +8,20 @@
 #include "SMS_STS.h"
 
 SMS_STS::SMS_STS()
+	: SCSerial(0)
+	, Mem{}
 {
-	End = 0;
 }
 
-SMS_STS::SMS_STS(u8 End):SCSerial(End)
+SMS_STS::SMS_STS(u8 End)
+	: SCSerial(End)
+	, Mem{}
 {
 }
 
-SMS_STS::SMS_STS(u8 End, u8 Level):SCSerial(End, Level)
+SMS_STS::SMS_STS(u8 End, u8 Level)
+	: SCSerial(End, Level)
+	, Mem{}
 {
 }