diff --git a/App/Button.h b/App/Button.h
index 08ae26bd..608fb641 100644
--- a/App/Button.h
+++ b/App/Button.h
@@ -18,7 +18,7 @@ private:
 	EventHandler _Handler;
 	void* _Param;
 public:
-	const char*	Name;	// 按钮名称
+	cstring	Name;	// 按钮名称
 	int		Index;		// 索引号，方便在众多按钮中标识按钮
 
 	InputPort	Key;	// 输入按键
diff --git a/App/Button_GrayLevel.cpp b/App/Button_GrayLevel.cpp
index 998a8c2d..a1f07ebc 100644
--- a/App/Button_GrayLevel.cpp
+++ b/App/Button_GrayLevel.cpp
@@ -269,7 +269,7 @@ void Button_GrayLevel::Init(TIMER tim, byte count, Button_GrayLevel* btns, Event
 	}
 
 #if DEBUG
-	const char* names[] = { "一号", "二号", "三号", "四号" };
+	cstring names[] = { "一号", "二号", "三号", "四号" };
 #endif
 
 	for (int i = 0; i < count; i++)
diff --git a/App/Button_GrayLevel.h b/App/Button_GrayLevel.h
index dba8f05b..e2db3333 100644
--- a/App/Button_GrayLevel.h
+++ b/App/Button_GrayLevel.h
@@ -32,7 +32,7 @@ class Button_GrayLevel : public ByteDataPort
 public:
 	int		Index;			// 索引号，方便在众多按钮中标识按钮
 #if DEBUG
-	const char*	Name;		// 按钮名称
+	cstring	Name;		// 按钮名称
 #endif
 
 	InputPort	Key;				// 输入按键
diff --git a/App/Button_magnetic.h b/App/Button_magnetic.h
index 085817ab..7fdf1eb1 100644
--- a/App/Button_magnetic.h
+++ b/App/Button_magnetic.h
@@ -23,7 +23,7 @@ private:
 	EventHandler _Handler;
 	void* _Param;
 public:
-	const char* Name;
+	cstring Name;
 
 	InputPort*  Key;	// 输入按键
 	OutputPort* Led;	// 指示灯
diff --git a/App/Sensor.h b/App/Sensor.h
index 10f1e7f7..02c9195c 100644
--- a/App/Sensor.h
+++ b/App/Sensor.h
@@ -8,7 +8,7 @@
 class Sensor
 {
 public:
-	const char* Name;  //名字
+	cstring Name;  //名字
 	int Index;   //索引号
 
 	
diff --git a/Board/AP0104.cpp b/Board/AP0104.cpp
index 56f87026..04485acc 100644
--- a/Board/AP0104.cpp
+++ b/Board/AP0104.cpp
@@ -40,7 +40,7 @@ static uint OnSerial(ITransport* transport, Buffer& bs, void* param, void* param
 }
 #endif
 
-void AP0104::Setup(ushort code, const char* name, COM message, int baudRate)
+void AP0104::Setup(ushort code, cstring name, COM message, int baudRate)
 {
 	auto& sys = (TSys&)Sys;
 	sys.Code = code;
diff --git a/Board/AP0104.h b/Board/AP0104.h
index 4662ae0e..ed74a431 100644
--- a/Board/AP0104.h
+++ b/Board/AP0104.h
@@ -20,7 +20,7 @@ public:
 	
 	AP0104();
 
-	void Setup(ushort code, const char* name, COM message = COM1, int baudRate = 0);
+	void Setup(ushort code, cstring name, COM message = COM1, int baudRate = 0);
 
 	ISocketHost* Create5500();
 	ITransport* Create2401();
diff --git a/Board/AP0801.cpp b/Board/AP0801.cpp
index 95e72140..05258de1 100644
--- a/Board/AP0801.cpp
+++ b/Board/AP0801.cpp
@@ -40,7 +40,7 @@ static uint OnSerial(ITransport* transport, Buffer& bs, void* param, void* param
 }
 #endif
 
-void AP0801::Setup(ushort code, const char* name, COM message, int baudRate)
+void AP0801::Setup(ushort code, cstring name, COM message, int baudRate)
 {
 	auto& sys	= (TSys&)Sys;
 	sys.Code = code;
diff --git a/Board/AP0801.h b/Board/AP0801.h
index b7b25aa0..d6e12bc3 100644
--- a/Board/AP0801.h
+++ b/Board/AP0801.h
@@ -20,7 +20,7 @@ public:
 	
 	AP0801();
 
-	void Setup(ushort code, const char* name, COM message = COM1, int baudRate = 0);
+	void Setup(ushort code, cstring name, COM message = COM1, int baudRate = 0);
 
 	ISocketHost* Create5500();
 	ITransport* Create2401();
diff --git a/Board/Pandora.cpp b/Board/Pandora.cpp
index 2d232064..7e0b3e8b 100644
--- a/Board/Pandora.cpp
+++ b/Board/Pandora.cpp
@@ -37,7 +37,7 @@ uint OnSerial(ITransport* transport, Buffer& bs, void* param, void* param2)
 	return 0;
 }
 
-void PA0903::Setup(ushort code, const char* name, COM message, int baudRate)
+void PA0903::Setup(ushort code, cstring name, COM message, int baudRate)
 {
 	auto& sys	= (TSys&)Sys;
 	sys.Code = code;
diff --git a/Board/Pandora.h b/Board/Pandora.h
index bd0c5df3..ab2dc478 100644
--- a/Board/Pandora.h
+++ b/Board/Pandora.h
@@ -20,7 +20,7 @@ public:
 	
 	PA0903();
 
-	void Setup(ushort code, const char* name, COM message = COM1, int baudRate = 0);
+	void Setup(ushort code, cstring name, COM message = COM1, int baudRate = 0);
 
 	ISocketHost* Create5500();
 	//ITransport* Create2401();
diff --git a/Config.h b/Config.h
index 3c49b901..289c323a 100644
--- a/Config.h
+++ b/Config.h
@@ -30,7 +30,7 @@ public:
 	// 获取配置数据
     bool Get(const String& name, Buffer& bs) const;
 	// 获取配置数据，如果不存在则覆盖
-    //bool GetOrSet(const char* name, Buffer& bs) const;
+    //bool GetOrSet(cstring name, Buffer& bs) const;
 	// 获取配置数据
     const void* Get(const String& name) const;
 
@@ -69,7 +69,7 @@ public:
 
 protected:
 	const Config&	Cfg;
-	const char* _Name;
+	cstring _Name;
 
 	void* _Start;
 	void* _End;
diff --git a/Core/ByteArray.cpp b/Core/ByteArray.cpp
index 5c84ddf0..c7ca353a 100644
--- a/Core/ByteArray.cpp
+++ b/Core/ByteArray.cpp
@@ -57,14 +57,14 @@ ByteArray::ByteArray(ByteArray&& rval) : Array((const void*)nullptr, 0)
 /*// 字符串转为字节数组
 ByteArray::ByteArray(String& str) : Array(Arr, str.Length())
 {
-	char* p = str.GetBuffer();
+	auto p = str.GetBuffer();
 	Set((byte*)p, str.Length());
 }
 
 // 不允许修改，拷贝
 ByteArray::ByteArray(const String& str) : Array(Arr, str.Length())
 {
-	const char* p = str.GetBuffer();
+	cstring p = str.GetBuffer();
 	//Copy((const byte*)p, str.Length());
 	Set((const byte*)p, str.Length());
 }*/
diff --git a/Core/DateTime.cpp b/Core/DateTime.cpp
index cf0ce9b2..a49d97cc 100644
--- a/Core/DateTime.cpp
+++ b/Core/DateTime.cpp
@@ -371,12 +371,12 @@ String& DateTime::ToStr(String& str) const
 	f短全部 M/d/yy HH:mm
 	F长全部 yyyy-MM-dd HH:mm:ss
 */
-const char* DateTime::GetString(byte kind, char* str)
+cstring DateTime::GetString(byte kind, char* str)
 {
 	//assert_param(str);
 	//if(!str) str = _Str;
 
-	const DateTime& st = *this;
+	auto& st = *this;
 	switch(kind)
 	{
 		case 'd':
diff --git a/Core/DateTime.h b/Core/DateTime.h
index b917d076..e8f05600 100644
--- a/Core/DateTime.h
+++ b/Core/DateTime.h
@@ -66,7 +66,7 @@ public:
 	f短全部 M/d/yy HH:mm
 	F长全部 yyyy-MM-dd HH:mm:ss
 	*/
-	const char* GetString(byte kind = 'F', char* str = nullptr);
+	cstring GetString(byte kind = 'F', char* str = nullptr);
 
 	// 当前时间
 	static DateTime Now();
diff --git a/Core/SString.h b/Core/SString.h
index 04d92f71..31660c6d 100644
--- a/Core/SString.h
+++ b/Core/SString.h
@@ -11,13 +11,13 @@ class StringSplit;
 class String : public Array
 {
 public:
-	String(const char* cstr = "");
+	String(cstring cstr = "");
 	String(const String& str);
 	String(String&& rval);
 	// 外部传入缓冲区供内部使用，注意长度减去零结束符
 	String(char* str, int length);
 	// 包装静态字符串，直接使用，修改时扩容
-	String(const char* str, int length);
+	String(cstring str, int length);
 	explicit String(char c);
 	explicit String(byte value, int radix = 10);
 	explicit String(short value, int radix = 10);
@@ -35,7 +35,7 @@ public:
 
 	// 内存管理
 	//inline uint Length() const { return _Length; }
-	inline const char* GetBuffer() const { return (const char*)_Arr; }
+	inline cstring GetBuffer() const { return (const char*)_Arr; }
 	// 设置数组长度。改变长度后，确保最后以0结尾
 	virtual bool SetLength(int length, bool bak);
 
@@ -49,13 +49,13 @@ public:
 	// 为被赋值对象建立一个备份。
 	// 如果值为空或无效，或者内存分配失败，字符串将会被标记为无效
 	String& operator = (const String& rhs);
-	String& operator = (const char* cstr);
+	String& operator = (cstring cstr);
 	String& operator = (String&& rval);
 
 	// 连接内建类型。如果参数无效则认为连接失败
 	bool Concat(const Object& obj);
 	bool Concat(const String& str);
-	bool Concat(const char* cstr);
+	bool Concat(cstring cstr);
 	bool Concat(char c);
 	bool Concat(byte c, int radix = 10);
 	bool Concat(short num, int radix = 10);
@@ -71,7 +71,7 @@ public:
 	String& operator += (T rhs)	{Concat(rhs); return (*this);}*/
 	String& operator += (const Object& rhs)	{Concat(rhs); return (*this);}
 	String& operator += (const String& rhs)	{Concat(rhs); return (*this);}
-	String& operator += (const char* cstr)	{Concat(cstr); return (*this);}
+	String& operator += (cstring cstr)	{Concat(cstr); return (*this);}
 	String& operator += (char c)			{Concat(c); return (*this);}
 	String& operator += (byte num)			{Concat(num); return (*this);}
 	String& operator += (int num)			{Concat(num); return (*this);}
@@ -83,7 +83,7 @@ public:
 
 	friend String& operator + (String& lhs, const Object& rhs);
 	friend String& operator + (String& lhs, const String& rhs);
-	friend String& operator + (String& lhs, const char* cstr);
+	friend String& operator + (String& lhs, cstring cstr);
 	friend String& operator + (String& lhs, char c);
 	friend String& operator + (String& lhs, byte num);
 	friend String& operator + (String& lhs, int num);
@@ -98,12 +98,12 @@ public:
 	//operator char*() const { return _Arr; }
 	int CompareTo(const String& s) const;
 	bool Equals(const String& s) const;
-	bool Equals(const char* cstr) const;
+	bool Equals(cstring cstr) const;
 	bool EqualsIgnoreCase(const String& s) const;
 	bool operator == (const String& rhs) const {return Equals(rhs);}
-	bool operator == (const char* cstr) const {return Equals(cstr);}
+	bool operator == (cstring cstr) const {return Equals(cstr);}
 	bool operator != (const String& rhs) const {return !Equals(rhs);}
-	bool operator != (const char* cstr) const {return !Equals(cstr);}
+	bool operator != (cstring cstr) const {return !Equals(cstr);}
 	bool operator <  (const String& rhs) const;
 	bool operator >  (const String& rhs) const;
 	bool operator <= (const String& rhs) const;
@@ -131,20 +131,20 @@ public:
 	virtual void Show(bool newLine = false) const;
 
 	// 格式化字符串，输出到现有字符串后面。方便我们连续格式化多个字符串
-	String& Format(const char* format, ...);
+	String& Format(cstring format, ...);
 
 	int IndexOf(const char ch, int startIndex = 0) const;
 	int IndexOf(const String& str, int startIndex = 0) const;
-	int IndexOf(const char* str, int startIndex = 0) const;
+	int IndexOf(cstring str, int startIndex = 0) const;
 	int LastIndexOf(const char ch, int startIndex = 0) const;
 	int LastIndexOf(const String& str, int startIndex = 0) const;
-	int LastIndexOf(const char* str, int startIndex = 0) const;
+	int LastIndexOf(cstring str, int startIndex = 0) const;
 	bool Contains(const String& str) const;
-	bool Contains(const char* str) const;
+	bool Contains(cstring str) const;
 	bool StartsWith(const String& str, int startIndex = 0) const;
-	bool StartsWith(const char* str, int startIndex = 0) const;
+	bool StartsWith(cstring str, int startIndex = 0) const;
 	bool EndsWith(const String& str) const;
-	bool EndsWith(const char* str) const;
+	bool EndsWith(cstring str) const;
 
 	StringSplit Split(const String& sep) const;
 
@@ -171,9 +171,9 @@ protected:
 protected:
 	void init();
 	void release();
-	bool Concat(const char* cstr, uint length);
+	bool Concat(cstring cstr, uint length);
 
-	String& copy(const char* cstr, uint length);
+	String& copy(cstring cstr, uint length);
 	void move(String& rhs);
 	bool CopyOrWrite();
 
diff --git a/Core/String.cpp b/Core/String.cpp
index 6f85503c..1cdd51fe 100644
--- a/Core/String.cpp
+++ b/Core/String.cpp
@@ -20,7 +20,7 @@ char* dtostrf(double val, char width, byte prec, char* sout);
 
 /******************************** String ********************************/
 
-String::String(const char* cstr) : Array(Arr, ArrayLength(Arr))
+String::String(cstring cstr) : Array(Arr, ArrayLength(Arr))
 {
 	init();
 
@@ -132,7 +132,7 @@ String::String(char* str, int length) : Array(str, length)
 }
 
 // 包装静态字符串，直接使用，修改时扩容
-String::String(const char* str, int length) : Array((char*)str, length)
+String::String(cstring str, int length) : Array((char*)str, length)
 {
 	// 此时不能保证外部一定是0结尾
 	_Capacity	= length + 1;
@@ -183,7 +183,7 @@ void* String::Alloc(int len)
 	}
 }
 
-String& String::copy(const char* cstr, uint length)
+String& String::copy(cstring cstr, uint length)
 {
 	if(!cstr || !length) return *this;
 
@@ -311,7 +311,7 @@ String& String::operator = (String&& rval)
 	return *this;
 }
 
-String& String::operator = (const char* cstr)
+String& String::operator = (cstring cstr)
 {
 	if (cstr) copy(cstr, strlen(cstr));
 	else release();
@@ -329,7 +329,7 @@ bool String::Concat(const String& s)
 	return Concat(s._Arr, s._Length);
 }
 
-bool String::Concat(const char* cstr, uint length)
+bool String::Concat(cstring cstr, uint length)
 {
 	if (!cstr) return false;
 	if (length == 0) return true;
@@ -345,7 +345,7 @@ bool String::Concat(const char* cstr, uint length)
 	return true;
 }
 
-bool String::Concat(const char* cstr)
+bool String::Concat(cstring cstr)
 {
 	if (!cstr) return 0;
 	return Concat(cstr, strlen(cstr));
@@ -468,14 +468,14 @@ bool String::Concat(UInt64 num, int radix)
 bool String::Concat(float num, byte decimalPlaces)
 {
 	char buf[20];
-	char* string = dtostrf(num, (decimalPlaces + 2), decimalPlaces, buf);
+	auto string = dtostrf(num, (decimalPlaces + 2), decimalPlaces, buf);
 	return Concat(string, strlen(string));
 }
 
 bool String::Concat(double num, byte decimalPlaces)
 {
 	char buf[20];
-	char* string = dtostrf(num, (decimalPlaces + 2), decimalPlaces, buf);
+	auto string = dtostrf(num, (decimalPlaces + 2), decimalPlaces, buf);
 	return Concat(string, strlen(string));
 }
 
@@ -494,7 +494,7 @@ String& operator + (String& lhs, const String& rhs)
 	return a;
 }
 
-String& operator + (String& lhs, const char* cstr)
+String& operator + (String& lhs, cstring cstr)
 {
 	auto& a = const_cast<String&>(lhs);
 	if (!cstr || !a.Concat(cstr, strlen(cstr))) a.release();
@@ -572,7 +572,7 @@ bool String::Equals(const String& s2) const
 	return _Length == s2._Length && CompareTo(s2) == 0;
 }
 
-bool String::Equals(const char* cstr) const
+bool String::Equals(cstring cstr) const
 {
 	if (_Length == 0) return cstr == nullptr || *cstr == 0;
 	if (cstr == nullptr) return _Arr[0] == 0;
@@ -585,8 +585,8 @@ bool String::EqualsIgnoreCase(const String &s2 ) const
 	if (this == &s2) return true;
 	if (_Length != s2._Length) return false;
 	if (_Length == 0) return true;
-	const char *p1 = _Arr;
-	const char *p2 = s2._Arr;
+	auto p1	= _Arr;
+	auto p2	= s2._Arr;
 	while (*p1) {
 		if (tolower(*p1++) != tolower(*p2++)) return false;
 	}
@@ -670,7 +670,7 @@ ByteArray String::ToHex() const
 	char cs[3];
 	cs[2]	= 0;
 	byte* b	= bs.GetBuffer();
-	char* p	= _Arr;
+	auto p	= _Arr;
 	int n	= 0;
 	for(int i=0; i<_Length; i+=2)
 	{
@@ -730,7 +730,7 @@ void String::Show(bool newLine) const
 }
 
 // 格式化字符串，输出到现有字符串后面。方便我们连续格式化多个字符串
-String& String::Format(const char* format, ...)
+String& String::Format(cstring format, ...)
 {
 	va_list ap;
 
@@ -769,7 +769,7 @@ int String::IndexOf(const String& str, int startIndex) const
 	return p - _Arr;
 }
 
-int String::IndexOf(const char* str, int startIndex) const
+int String::IndexOf(cstring str, int startIndex) const
 {
 	if(!str) return -1;
 	if(startIndex + strlen(str) > _Length) return -1;
@@ -790,7 +790,7 @@ int String::LastIndexOf(const char ch, int startIndex) const
 	return p - _Arr;
 }
 
-char *strrstr(const char* s, const char* str)
+char *strrstr(cstring s, cstring str)
 {
     char *p;
     int _Length = strlen(s);
@@ -812,7 +812,7 @@ int String::LastIndexOf(const String& str, int startIndex) const
 	return p - _Arr;
 }
 
-int String::LastIndexOf(const char* str, int startIndex) const
+int String::LastIndexOf(cstring str, int startIndex) const
 {
 	if(!str) return -1;
 	if(startIndex + strlen(str) > _Length) return -1;
@@ -825,7 +825,7 @@ int String::LastIndexOf(const char* str, int startIndex) const
 
 bool String::Contains(const String& str) const { return IndexOf(str) >= 0; }
 
-bool String::Contains(const char* str) const { return IndexOf(str) >= 0; }
+bool String::Contains(cstring str) const { return IndexOf(str) >= 0; }
 
 bool String::StartsWith(const String& str, int startIndex) const
 {
@@ -833,7 +833,7 @@ bool String::StartsWith(const String& str, int startIndex) const
 	return strncmp(&_Arr[startIndex], str._Arr, str._Length) == 0;
 }
 
-bool String::StartsWith(const char* str, int startIndex) const
+bool String::StartsWith(cstring str, int startIndex) const
 {
 	if(!str) return false;
 	int slen	= strlen(str);
@@ -849,7 +849,7 @@ bool String::EndsWith(const String& str) const
 	return strncmp(&_Arr[_Length - str._Length], str._Arr, str._Length) == 0;
 }
 
-bool String::EndsWith(const char* str) const
+bool String::EndsWith(cstring str) const
 {
 	if(!str) return false;
 	int slen	= strlen(str);
diff --git a/Core/Type.h b/Core/Type.h
index 2e0f8c53..86918333 100644
--- a/Core/Type.h
+++ b/Core/Type.h
@@ -2,12 +2,13 @@
 #define __Type_H__
 
 /* 类型定义 */
-typedef char            sbyte;
-typedef unsigned char   byte;
-typedef unsigned short  ushort;
-typedef unsigned int    uint;
-typedef unsigned long long  UInt64;
-typedef long long       Int64;
+typedef char			sbyte;
+typedef unsigned char	byte;
+typedef unsigned short	ushort;
+typedef unsigned int	uint;
+typedef unsigned long long	UInt64;
+typedef long long		Int64;
+typedef const char*		cstring;
 
 #define UInt64_Max 0xFFFFFFFFFFFFFFFFull
 
diff --git a/Debug.cpp b/Debug.cpp
index 6a187a48..adfdd06c 100644
--- a/Debug.cpp
+++ b/Debug.cpp
@@ -150,7 +150,7 @@ void assert_failed(uint8_t* file, unsigned int line)
     while (1) { }
 }
 
-void assert_failed2(const char* msg, const char* file, unsigned int line)
+void assert_failed2(cstring msg, cstring file, unsigned int line)
 {
     debug_printf("%s Line %d, %s\r\n", msg, line, file);
 
diff --git a/Drivers/BufferPort.h b/Drivers/BufferPort.h
index c111bac4..daeb39b8 100644
--- a/Drivers/BufferPort.h
+++ b/Drivers/BufferPort.h
@@ -8,7 +8,7 @@
 class BufferPort
 {
 public:
-    const char*	Name;
+    cstring	Name;
 	ITransport*	Port;
 	int			Speed;
 	COM			Com;
diff --git a/Drivers/Sim900A.cpp b/Drivers/Sim900A.cpp
index ced9394b..b7733711 100644
--- a/Drivers/Sim900A.cpp
+++ b/Drivers/Sim900A.cpp
@@ -60,7 +60,7 @@ void Sim900A::OnClose()
 bool Sim900A::OnWrite(const Buffer& bs) { return Send(bs); }
 uint Sim900A::OnRead(Buffer& bs) { return 0; }
 
-String Sim900A::Send(const char* str, uint msTimeout)
+String Sim900A::Send(cstring str, uint msTimeout)
 {
 	if(str)
 	{
@@ -87,7 +87,7 @@ String Sim900A::Send(const char* str, uint msTimeout)
 	return bs;
 }
 
-bool Sim900A::SendCmd(const char* str, uint msTimeout, int times)
+bool Sim900A::SendCmd(cstring str, uint msTimeout, int times)
 {
 	for(int i=0; i<times; i++)
 	{
diff --git a/Drivers/Sim900A.h b/Drivers/Sim900A.h
index aad52baa..61ec9c97 100644
--- a/Drivers/Sim900A.h
+++ b/Drivers/Sim900A.h
@@ -14,9 +14,9 @@ public:
 	bool		Inited;	
 	bool		SendOK;
 	
-	const char*	Domain;
+	cstring	Domain;
 
-	const char*	APN;
+	cstring	APN;
 
 	IDataPort*	Led;	// 指示灯
 
@@ -36,8 +36,8 @@ private:
     virtual bool OnWrite(const Buffer& bs);
 	virtual uint OnRead(Buffer& bs);
 
-	String Send(const char* str, uint msTimeout = 1000);
-	bool SendCmd(const char* str, uint msTimeout = 1000, int times = 1);
+	String Send(cstring str, uint msTimeout = 1000);
+	bool SendCmd(cstring str, uint msTimeout = 1000, int times = 1);
 	void SendAPN(bool issgp);
 	void SendDomain();
 };
diff --git a/Drivers/UBlox.h b/Drivers/UBlox.h
index 6bb92da5..fc98ffaf 100644
--- a/Drivers/UBlox.h
+++ b/Drivers/UBlox.h
@@ -10,7 +10,7 @@
 class UBlox : public BufferPort
 {
 public:
-	const char* Header;	// 识别为数据包开头的字符串
+	cstring Header;	// 识别为数据包开头的字符串
 	
 	UBlox();
 
diff --git a/Drivers/W5500.h b/Drivers/W5500.h
index 90608e91..454cf7e9 100644
--- a/Drivers/W5500.h
+++ b/Drivers/W5500.h
@@ -50,7 +50,7 @@ public:
 	// 输出物理链路层状态
 	void PhyStateShow();
 
-	const char* ToString() const { return "W5500"; }
+	cstring ToString() const { return "W5500"; }
 
 	virtual ISocket* CreateSocket(ProtocolType type);
 
diff --git a/Interrupt.cpp b/Interrupt.cpp
index 57cee852..1b1c517f 100644
--- a/Interrupt.cpp
+++ b/Interrupt.cpp
@@ -394,10 +394,10 @@ bool Lock::Wait(int us)
 static const char** _TS	= nullptr;
 static int _TS_Len	= 0;
 
-TraceStack::TraceStack(const char* name)
+TraceStack::TraceStack(cstring name)
 {
 	// 字符串指针的数组
-	static const char* __ts[16];
+	static cstring __ts[16];
 	_TS	= __ts;
 
 	//_TS->Push(name);
diff --git a/Interrupt.h b/Interrupt.h
index 2e36cf7b..4d812b3b 100644
--- a/Interrupt.h
+++ b/Interrupt.h
@@ -111,7 +111,7 @@ extern "C"
 class TraceStack
 {
 public:
-	TraceStack(const char* name);
+	TraceStack(cstring name);
 	~TraceStack();
 
 	static void Show();
diff --git a/Message/BinaryPair.cpp b/Message/BinaryPair.cpp
index c0ace149..49bac50e 100644
--- a/Message/BinaryPair.cpp
+++ b/Message/BinaryPair.cpp
@@ -16,7 +16,7 @@ BinaryPair::BinaryPair(Stream& ms)
 	_p	= ms.Position();
 }
 
-Buffer BinaryPair::Get(const char* name) const
+Buffer BinaryPair::Get(cstring name) const
 {
 	// 暂时不方便支持空名称的名值对，而服务端是支持的
 	if(!name) return Buffer(nullptr, 0);
@@ -49,7 +49,7 @@ Buffer BinaryPair::Get(const char* name) const
 	return Buffer(nullptr, 0);
 }
 
-bool BinaryPair::Set(const char* name, const Buffer& bs)
+bool BinaryPair::Set(cstring name, const Buffer& bs)
 {
 	auto& ms	= *_s;
 	ms.WriteArray(Buffer((void*)name, strlen(name)));
@@ -67,7 +67,7 @@ bool BinaryPair::Set(const String& name, const Buffer& bs)
 	return true;
 }
 
-bool BinaryPair::Get(const char* name, byte& value) const
+bool BinaryPair::Get(cstring name, byte& value) const
 {
 	auto bs	= Get(name);
 	if(!bs.Length()) return false;
@@ -77,7 +77,7 @@ bool BinaryPair::Get(const char* name, byte& value) const
 	return true;
 }
 
-bool BinaryPair::Get(const char* name, ushort& value) const
+bool BinaryPair::Get(cstring name, ushort& value) const
 {
 	auto bs	= Get(name);
 	if(!bs.Length()) return false;
@@ -87,7 +87,7 @@ bool BinaryPair::Get(const char* name, ushort& value) const
 	return true;
 }
 
-bool BinaryPair::Get(const char* name, uint& value) const
+bool BinaryPair::Get(cstring name, uint& value) const
 {
 	auto bs	= Get(name);
 	if(!bs.Length()) return false;
@@ -97,7 +97,7 @@ bool BinaryPair::Get(const char* name, uint& value) const
 	return true;
 }
 
-bool BinaryPair::Get(const char* name, UInt64& value) const
+bool BinaryPair::Get(cstring name, UInt64& value) const
 {
 	auto bs	= Get(name);
 	if(!bs.Length()) return false;
@@ -107,7 +107,7 @@ bool BinaryPair::Get(const char* name, UInt64& value) const
 	return true;
 }
 
-bool BinaryPair::Get(const char* name, Buffer& value) const
+bool BinaryPair::Get(cstring name, Buffer& value) const
 {
 	auto bs	= Get(name);
 	if(!bs.Length()) return false;
@@ -117,7 +117,7 @@ bool BinaryPair::Get(const char* name, Buffer& value) const
 	return true;
 }
 
-bool BinaryPair::Get(const char* name, IPEndPoint& value) const
+bool BinaryPair::Get(cstring name, IPEndPoint& value) const
 {
 	auto bs	= Get(name);
 	if(bs.Length() < 6) return false;
@@ -131,27 +131,27 @@ bool BinaryPair::Get(const char* name, IPEndPoint& value) const
 }
 
 
-bool BinaryPair::Set(const char* name, byte value)
+bool BinaryPair::Set(cstring name, byte value)
 {
 	return Set(name, Buffer(&value, 1));
 }
 
-bool BinaryPair::Set(const char* name, ushort value)
+bool BinaryPair::Set(cstring name, ushort value)
 {
 	return Set(name, Buffer(&value, 2));
 }
 
-bool BinaryPair::Set(const char* name, uint value)
+bool BinaryPair::Set(cstring name, uint value)
 {
 	return Set(name, Buffer(&value, 4));
 }
 
-bool BinaryPair::Set(const char* name, UInt64 value)
+bool BinaryPair::Set(cstring name, UInt64 value)
 {
 	return Set(name, Buffer(&value, 8));
 }
 
-bool BinaryPair::Set(const char* name, const IPEndPoint& value)
+bool BinaryPair::Set(cstring name, const IPEndPoint& value)
 {
 	MemoryStream ms(7);
 
diff --git a/Message/BinaryPair.h b/Message/BinaryPair.h
index 827f70f4..9504d846 100644
--- a/Message/BinaryPair.h
+++ b/Message/BinaryPair.h
@@ -15,22 +15,22 @@ public:
 	BinaryPair(Stream& ms);
 	BinaryPair(const BinaryPair& pair) = delete;
 
-	Buffer Get(const char* name) const;
-	bool Set(const char* name, const Buffer& bs);
+	Buffer Get(cstring name) const;
+	bool Set(cstring name, const Buffer& bs);
 	bool Set(const String& name, const Buffer& bs);
 
-	bool Get(const char* name, byte& value) const;
-	bool Get(const char* name, ushort& value) const;
-	bool Get(const char* name, uint& value) const;
-	bool Get(const char* name, UInt64& value) const;
-	bool Get(const char* name, Buffer& value) const;
-	bool Get(const char* name, IPEndPoint& value) const;
+	bool Get(cstring name, byte& value) const;
+	bool Get(cstring name, ushort& value) const;
+	bool Get(cstring name, uint& value) const;
+	bool Get(cstring name, UInt64& value) const;
+	bool Get(cstring name, Buffer& value) const;
+	bool Get(cstring name, IPEndPoint& value) const;
 
-	bool Set(const char* name, byte value);
-	bool Set(const char* name, ushort value);
-	bool Set(const char* name, uint value);
-	bool Set(const char* name, UInt64 value);
-	bool Set(const char* name, const IPEndPoint& value);
+	bool Set(cstring name, byte value);
+	bool Set(cstring name, ushort value);
+	bool Set(cstring name, uint value);
+	bool Set(cstring name, UInt64 value);
+	bool Set(cstring name, const IPEndPoint& value);
 
 private:
 	//byte*	Data;		// 数据指针
diff --git a/Message/Message.cpp b/Message/Message.cpp
index c915ce58..fae2c182 100644
--- a/Message/Message.cpp
+++ b/Message/Message.cpp
@@ -21,7 +21,7 @@ void Message::SetData(const Buffer& bs, uint offset)
 	if(Length > 0) bs.CopyTo(0, Data + offset, Length);
 }
 
-void Message::SetError(byte errorCode, const char* msg)
+void Message::SetError(byte errorCode, cstring msg)
 {
 	Error	= true;
 
diff --git a/Message/Message.h b/Message/Message.h
index 7d547c5d..cca390fd 100644
--- a/Message/Message.h
+++ b/Message/Message.h
@@ -36,7 +36,7 @@ public:
 
 	// 设置数据
 	void SetData(const Buffer& bs, uint offset = 0);
-	void SetError(byte errorCode, const char* msg = nullptr);
+	void SetError(byte errorCode, cstring msg = nullptr);
 
 	// 负载数据转数据流
 	Stream ToStream();
diff --git a/Message/WeakStore.cpp b/Message/WeakStore.cpp
index 8f82d0dd..b7d73dfa 100644
--- a/Message/WeakStore.cpp
+++ b/Message/WeakStore.cpp
@@ -1,7 +1,7 @@
 #include "WeakStore.h"
 
 // 初始化
-WeakStore::WeakStore(const char* magic, byte* ptr, uint len) : Data(0x40)
+WeakStore::WeakStore(cstring magic, byte* ptr, uint len) : Data(0x40)
 {
 	Magic		= magic;
 	MagicLength	= 0;
diff --git a/Message/WeakStore.h b/Message/WeakStore.h
index 8b4641e4..3c1cc836 100644
--- a/Message/WeakStore.h
+++ b/Message/WeakStore.h
@@ -9,12 +9,12 @@
 class WeakStore
 {
 public:
-	const char*	Magic;	// 幻数。用于唯一标识
+	cstring	Magic;	// 幻数。用于唯一标识
 	uint		MagicLength;
 	ByteArray	Data;	// 数据
 
 	// 初始化
-	WeakStore(const char* magic = nullptr, byte* ptr = nullptr, uint len = 0);
+	WeakStore(cstring magic = nullptr, byte* ptr = nullptr, uint len = 0);
 
 	// 检查并确保初始化，返回原来是否已初始化
 	bool Check();
diff --git a/Net/Blu40.cpp b/Net/Blu40.cpp
index 05713465..118e1787 100644
--- a/Net/Blu40.cpp
+++ b/Net/Blu40.cpp
@@ -225,7 +225,7 @@ bool Blu40::CheckSet()
 	return true;
 }
 
-bool Blu40::SetName(const char* name)
+bool Blu40::SetName(cstring name)
 {
 	*_rts = false;
 	Sys.Delay(170);
diff --git a/Net/Blu40.h b/Net/Blu40.h
index ca0b61ab..8fca207c 100644
--- a/Net/Blu40.h
+++ b/Net/Blu40.h
@@ -34,7 +34,7 @@ public:
 	// 设置发送信号强度 DB数
 	bool SetTPL(int TPLDB);
 	// 设置蓝牙名称
-	bool SetName(const char* name);
+	bool SetName(cstring name);
 	// 设置产品识别码 硬件类型code
 	bool SetPID(ushort pid);
 
diff --git a/Net/DNS.cpp b/Net/DNS.cpp
index 8b7de1ec..c490fac7 100644
--- a/Net/DNS.cpp
+++ b/Net/DNS.cpp
@@ -296,7 +296,7 @@ short dns_makequery(short op, const String& name, Buffer& bs)
 
 	int st	= 0;
 	int idx	= 0;
-	//const char* dname = name.GetBuffer();
+	//cstring dname = name.GetBuffer();
 	//ushort dlen = strlen(dname);
 	for (;;)
 	{
@@ -320,7 +320,7 @@ short dns_makequery(short op, const String& name, Buffer& bs)
 		st	= idx + 1;
 
 		//// 查找下一个小圆点
-		//const char* cp1 = strchr(dname, '.');
+		//cstring cp1 = strchr(dname, '.');
         //
 		//int len = 0;
 		//if (cp1 != nullptr)
diff --git a/Sys.cpp b/Sys.cpp
index c84dbe3a..fa3c2e1c 100644
--- a/Sys.cpp
+++ b/Sys.cpp
@@ -402,7 +402,7 @@ void TSys::ShowInfo() const
 #include "Task.h"
 
 // 创建任务，返回任务编号。dueTime首次调度时间ms，period调度间隔ms，-1表示仅处理一次
-uint TSys::AddTask(Action func, void* param, int dueTime, int period, const char* name) const
+uint TSys::AddTask(Action func, void* param, int dueTime, int period, cstring name) const
 {
 	return Task::Scheduler()->Add(func, param, dueTime, period, name);
 }
diff --git a/Sys.h b/Sys.h
index f61fa33f..e2420eff 100644
--- a/Sys.h
+++ b/Sys.h
@@ -7,6 +7,19 @@
 /*#include <stdlib.h>
 #include <string.h>*/
 
+#include "Core\Type.h"
+#include "Core\Buffer.h"
+#include "Core\Array.h"
+#include "Core\ByteArray.h"
+#include "Core\SString.h"
+#include "Core\Stream.h"
+#include "Core\DateTime.h"
+#include "Core\Version.h"
+#include "Core\Delegate.h"
+
+/* 引脚定义 */
+#include "Platform\Pin.h"
+
 // 强迫内联
 #define _force_inline __attribute__( ( always_inline ) ) __INLINE
 
@@ -31,7 +44,7 @@ extern "C"
 #define assert_ptr(expr) (assert_ptr_(expr) ? (void)0 : assert_failed2("ptr==nullptr", (const char*)__FILE__, __LINE__))
 bool assert_ptr_(const void* p);
 
-void assert_failed2(const char* msg, const char* file, unsigned int line);
+void assert_failed2(cstring msg, cstring file, unsigned int line);
 #define assert(expr, msg) ((expr) ? (void)0 : assert_failed2(msg, (const char*)__FILE__, __LINE__))
 
 #else
@@ -41,19 +54,6 @@ void assert_failed2(const char* msg, const char* file, unsigned int line);
 
 #endif
 
-#include "Core\Type.h"
-#include "Core\Buffer.h"
-#include "Core\Array.h"
-#include "Core\ByteArray.h"
-#include "Core\SString.h"
-#include "Core\Stream.h"
-#include "Core\DateTime.h"
-#include "Core\Version.h"
-#include "Core\Delegate.h"
-
-/* 引脚定义 */
-#include "Platform\Pin.h"
-
 #if defined(BOOT) || defined(APP)
 struct HandlerRemap
 {
@@ -114,7 +114,7 @@ public:
 
 public:
 	// 创建任务，返回任务编号。dueTime首次调度时间ms，period调度间隔ms，-1表示仅处理一次
-	uint AddTask(Action func, void* param, int dueTime = 0, int period = 0, const char* name = nullptr) const;
+	uint AddTask(Action func, void* param, int dueTime = 0, int period = 0, cstring name = nullptr) const;
 	void RemoveTask(uint& taskid) const;
 	// 设置任务的开关状态，同时运行指定任务最近一次调度的时间，0表示马上调度
 	bool SetTask(uint taskid, bool enable, int msNextTime = -1) const;
diff --git a/Task.cpp b/Task.cpp
index f6219a8c..0866cc6b 100644
--- a/Task.cpp
+++ b/Task.cpp
@@ -138,7 +138,7 @@ Task* Task::Get(int taskid)
 
 #pragma arm section code
 
-TaskScheduler::TaskScheduler(const char* name)
+TaskScheduler::TaskScheduler(cstring name)
 {
 	_Tasks.Clear();
 	_Tasks.SetLength(0);
@@ -163,7 +163,7 @@ void TaskScheduler::Set(Task* tasks, uint count)
 }
 
 // 创建任务，返回任务编号。dueTime首次调度时间ms，-1表示事件型任务，period调度间隔ms，-1表示仅处理一次
-uint TaskScheduler::Add(Action func, void* param, int dueTime, int period, const char* name)
+uint TaskScheduler::Add(Action func, void* param, int dueTime, int period, cstring name)
 {
 	// 查找是否有可用空闲任务
 	Task* task	= nullptr;
diff --git a/Task.h b/Task.h
index 9f5dfd84..b99100ac 100644
--- a/Task.h
+++ b/Task.h
@@ -15,7 +15,7 @@ public:
 	TaskScheduler* Host;
 
 	uint	ID;			// 编号
-	const char*	Name;	// 名称
+	cstring	Name;	// 名称
 
 	Action	Callback;	// 回调
 	void*	Param;		// 参数
@@ -61,7 +61,7 @@ private:
 	friend class Task;
 
 public:
-	const char*	Name;	// 系统名称
+	cstring	Name;	// 系统名称
 	int		Count;		// 任务个数
 	Task*	Current;	// 正在执行的任务
 	bool	Running;	// 是否正在运行
@@ -70,14 +70,14 @@ public:
 	int		Cost;		// 平均执行时间us
 	int		MaxCost;	// 最大执行时间us
 
-	TaskScheduler(const char* name = nullptr);
+	TaskScheduler(cstring name = nullptr);
 	//~TaskScheduler();
 
 	// 使用外部缓冲区初始化任务列表，避免频繁的堆分配
 	void Set(Task* tasks, uint count);
 
 	// 创建任务，返回任务编号。dueTime首次调度时间ms，-1表示事件型任务，period调度间隔ms，-1表示仅处理一次
-	uint Add(Action func, void* param, int dueTime = 0, int period = 0, const char* name = nullptr);
+	uint Add(Action func, void* param, int dueTime = 0, int period = 0, cstring name = nullptr);
 	void Remove(uint taskid);
 
 	void Start();
diff --git a/Test/StringTest.cpp b/Test/StringTest.cpp
index c8a8de5f..c5ed02de 100644
--- a/Test/StringTest.cpp
+++ b/Test/StringTest.cpp
@@ -18,7 +18,7 @@ static void TestCtor()
 
 	debug_printf("字符串构造函数测试\r\n");
 
-	auto err	= "String(const char* cstr)";
+	auto err	= "String(cstring cstr)";
 
 	// 默认空字符串，使用内部数据区
 	String str;
@@ -121,11 +121,11 @@ static void TestAssign()
 	String str = "万家灯火，无声物联！";
 	debug_printf("TestAssign: %s\r\n", str.GetBuffer());
 	str	= "无声物联";
-	assert(str == "无声物联", "String& operator = (const char* cstr)");
+	assert(str == "无声物联", "String& operator = (cstring cstr)");
 
 	String str2	= "xxx";
 	str2	= str;
-	assert(str == "无声物联", "String& operator = (const char* cstr)");
+	assert(str == "无声物联", "String& operator = (cstring cstr)");
 	assert(str2.GetBuffer() != str.GetBuffer(), "String& operator = (const String& rhs)");
 }
 
@@ -201,7 +201,7 @@ static void TestAdd()
 	str = str + 1234 + "#" + R("99xx") + '$' + -33.883 + "@" + DateTime::Now();
 	str.Show(true);
 	// 字符串连加 1234@0000-00-00 00:00:00#99xx
-	assert(str.Contains("字符串连加 1234#99xx$-33.88@"), "friend StringHelper& operator + (const StringHelper& lhs, const char* cstr)");
+	assert(str.Contains("字符串连加 1234#99xx$-33.88@"), "friend StringHelper& operator + (const StringHelper& lhs, cstring cstr)");
 }
 
 static void TestEquals()
@@ -245,13 +245,13 @@ static void TestSet()
 	assert(bs2[5] == 0x3F, "ByteArray ToHex()");
 
 	// 字符串搜索
-	assert(str.IndexOf("36") == 0, "int IndexOf(const char* str, int startIndex = 0)");
-	assert(str.IndexOf("36", 1) == 6, "int IndexOf(const char* str, int startIndex = 0)");
-	assert(str.LastIndexOf("36", 6) == 6, "int LastIndexOf(const char* str, int startIndex = 0)");
-	assert(str.LastIndexOf("36", 7) == -1, "int LastIndexOf(const char* str, int startIndex = 0)");
-	assert(str.Contains("34-3F-31"), "bool Contains(const char* str) const");
-	assert(str.StartsWith("36-"), "bool StartsWith(const char* str, int startIndex = 0)");
-	assert(str.EndsWith("-32-34"), "bool EndsWith(const char* str)");
+	assert(str.IndexOf("36") == 0, "int IndexOf(cstring str, int startIndex = 0)");
+	assert(str.IndexOf("36", 1) == 6, "int IndexOf(cstring str, int startIndex = 0)");
+	assert(str.LastIndexOf("36", 6) == 6, "int LastIndexOf(cstring str, int startIndex = 0)");
+	assert(str.LastIndexOf("36", 7) == -1, "int LastIndexOf(cstring str, int startIndex = 0)");
+	assert(str.Contains("34-3F-31"), "bool Contains(cstring str) const");
+	assert(str.StartsWith("36-"), "bool StartsWith(cstring str, int startIndex = 0)");
+	assert(str.EndsWith("-32-34"), "bool EndsWith(cstring str)");
 
 	// 字符串截取
 	str	= " 36-1f-36-35-34\n";
diff --git a/Thread.h b/Thread.h
index 35ec9246..316a1ef6 100644
--- a/Thread.h
+++ b/Thread.h
@@ -15,7 +15,7 @@ private:
 
 public:
 	uint ID;		// 编号
-	const char* Name;	// 名称
+	cstring Name;	// 名称
 
 	uint* Stack;	// 栈底
 	uint* StackTop;	// 栈顶
diff --git a/Time.cpp b/Time.cpp
index 31719b77..2549d6ff 100644
--- a/Time.cpp
+++ b/Time.cpp
@@ -288,7 +288,7 @@ int TimeCost::Elapsed()
 	return ms * 1000 + ts;
 }
 
-void TimeCost::Show(const char* format)
+void TimeCost::Show(cstring format)
 {
 	if(!format) format = "执行 %dus\r\n";
 	debug_printf(format, Elapsed());
diff --git a/Time.h b/Time.h
index 94826308..878f20bb 100644
--- a/Time.h
+++ b/Time.h
@@ -71,7 +71,7 @@ public:
 	TimeCost();
 
 	int Elapsed();	// 逝去的时间，微秒
-	void Show(const char* format = nullptr);
+	void Show(cstring format = nullptr);
 };
 
 /*
diff --git a/TinyIP/HttpClient.cpp b/TinyIP/HttpClient.cpp
index 923c2315..69c68e97 100644
--- a/TinyIP/HttpClient.cpp
+++ b/TinyIP/HttpClient.cpp
@@ -34,7 +34,7 @@ TcpSocket::TcpSocket(TinyIP* tip) : Socket(tip)
 	OnDisconnected = nullptr;
 }
 
-const char* TcpSocket::ToString()
+cstring TcpSocket::ToString()
 {
 	static char name[10];
 	sprintf(name, "TCP_%d", Port);
diff --git a/TinyIP/HttpClient.h b/TinyIP/HttpClient.h
index 170611b6..84d328cc 100644
--- a/TinyIP/HttpClient.h
+++ b/TinyIP/HttpClient.h
@@ -23,7 +23,7 @@ public:
 	TcpHandler OnReceived;
 	TcpHandler OnDisconnected;
 
-	virtual const char* ToString();
+	virtual cstring ToString();
 
 protected:
 	void SendAck(uint len);
diff --git a/TinyIP/Tcp.cpp b/TinyIP/Tcp.cpp
index 63156059..59e9e865 100644
--- a/TinyIP/Tcp.cpp
+++ b/TinyIP/Tcp.cpp
@@ -34,7 +34,7 @@ TcpSocket::TcpSocket(TinyIP* tip) : TinySocket(tip, IP_TCP)
 	OnDisconnected = nullptr;
 }
 
-/*const char* TcpSocket::ToString() const
+/*cstring TcpSocket::ToString() const
 {
 	static char name[10];
 	sprintf(name, "TCP_%d", Local.Port);
diff --git a/TinyIP/Tcp.h b/TinyIP/Tcp.h
index afa381a9..1ef303e1 100644
--- a/TinyIP/Tcp.h
+++ b/TinyIP/Tcp.h
@@ -49,7 +49,7 @@ public:
 	TcpHandler OnReceived;
 	TcpHandler OnDisconnected;
 
-	//virtual const char* ToString() const;
+	//virtual cstring ToString() const;
 	virtual String& ToStr(String& str) const;
 
 protected:
diff --git a/TinyIP/TinyIP.cpp b/TinyIP/TinyIP.cpp
index 63b24967..8d476d3a 100644
--- a/TinyIP/TinyIP.cpp
+++ b/TinyIP/TinyIP.cpp
@@ -122,7 +122,7 @@ void TinyIP::Process(Stream& ms)
 	debug_printf("=>");
 	local.Show();
 
-	const char* name = "Unkown";
+	cstring name = "Unkown";
 	switch(ip->Protocol)
 	{
 		case IP_ICMP: { name = "ICMP"; break; }
@@ -247,7 +247,7 @@ bool TinyIP::SendEthernet(ETH_TYPE type, const MacAddress& remote, const byte* b
 	len += sizeof(ETH_HEADER);
 	//if(len < 60) len = 60;	// 以太网最小包60字节
 
-	/*char* name = "Unkown";
+	/*auto name = "Unkown";
 	switch(type)
 	{
 		case ETH_ARP: { name = "ARP"; break; }
@@ -302,7 +302,7 @@ bool TinyIP::SendIP(IP_TYPE type, const IPAddress& remote, const byte* buf, uint
 		return false;
 	}
 
-	/*char* name = "Unkown";
+	/*auto name = "Unkown";
 	switch(type)
 	{
 		case IP_ICMP: { name = "ICMP"; break; }
diff --git a/TinyIP/Udp.cpp b/TinyIP/Udp.cpp
index 0cbd330b..2ced7344 100644
--- a/TinyIP/Udp.cpp
+++ b/TinyIP/Udp.cpp
@@ -16,7 +16,7 @@ UdpSocket::UdpSocket(TinyIP* tip) : TinySocket(tip, IP_UDP)
 	Local.Address = tip->IP;
 }
 
-/*const char* UdpSocket::ToString() const
+/*cstring UdpSocket::ToString() const
 {
 	static char name[10];
 	sprintf(name, "UDP_%d", Local.Port);
diff --git a/TinyIP/Udp.h b/TinyIP/Udp.h
index e797e220..5f9f3070 100644
--- a/TinyIP/Udp.h
+++ b/TinyIP/Udp.h
@@ -29,7 +29,7 @@ public:
 	// 接收数据
 	virtual uint Receive(Buffer& bs);
 
-	//virtual const char* ToString() const;
+	//virtual cstring ToString() const;
 	virtual String& ToStr(String& str) const;
 
 protected:
diff --git a/TinyNet/Tiny.cpp b/TinyNet/Tiny.cpp
index f973e41e..370ec65f 100644
--- a/TinyNet/Tiny.cpp
+++ b/TinyNet/Tiny.cpp
@@ -23,7 +23,7 @@ uint OnSerial(ITransport* transport, Buffer& bs, void* param, void* param2)
 	return 0;
 }
 
-void Setup(ushort code, const char* name, COM message, int baudRate)
+void Setup(ushort code, cstring name, COM message, int baudRate)
 {
 	auto& sys	= (TSys&)Sys;
 	sys.Code = code;
diff --git a/TinyNet/Tiny.h b/TinyNet/Tiny.h
index 224bd22e..b66ad856 100644
--- a/TinyNet/Tiny.h
+++ b/TinyNet/Tiny.h
@@ -9,7 +9,7 @@
 
 #include "App\Button_GrayLevel.h"
 
-void Setup(ushort code, const char* name, COM message = COM1, int baudRate = 0);
+void Setup(ushort code, cstring name, COM message = COM1, int baudRate = 0);
 
 void* InitConfig(void* data, uint size);
 void ClearConfig();
diff --git a/TokenNet/Token.cpp b/TokenNet/Token.cpp
index 7da209c7..2e12a017 100644
--- a/TokenNet/Token.cpp
+++ b/TokenNet/Token.cpp
@@ -159,7 +159,7 @@ static uint OnSerial(ITransport* transport, Buffer& bs, void* param, void* param
 }
 #endif
 
-void Token::Setup(ushort code, const char* name, COM message, int baudRate)
+void Token::Setup(ushort code, cstring name, COM message, int baudRate)
 {
 	auto& sys	= (TSys&)Sys;
 	sys.Code = code;
diff --git a/TokenNet/Token.h b/TokenNet/Token.h
index 0f024a54..22b2d2bd 100644
--- a/TokenNet/Token.h
+++ b/TokenNet/Token.h
@@ -17,7 +17,7 @@
 class Token
 {
 public:
-	static void Setup(ushort code, const char* name, COM message = COM1, int baudRate = 0);
+	static void Setup(ushort code, cstring name, COM message = COM1, int baudRate = 0);
 
 	static ISocketHost* CreateW5500(SPI spi, Pin irq, Pin rst = P0, Pin power = P0, IDataPort* led = nullptr);
 	static ISocketHost* Create2860(SPI spi, Pin irq, Pin rst);
diff --git a/TokenNet/TokenConfig.cpp b/TokenNet/TokenConfig.cpp
index fe1b562a..1bba1363 100644
--- a/TokenNet/TokenConfig.cpp
+++ b/TokenNet/TokenConfig.cpp
@@ -61,7 +61,7 @@ void TokenConfig::Show() const
 #endif
 }
 
-TokenConfig* TokenConfig::Create(const char* vendor, ProtocolType protocol, ushort sport, ushort port)
+TokenConfig* TokenConfig::Create(cstring vendor, ProtocolType protocol, ushort sport, ushort port)
 {
 	static TokenConfig tc;
 	if(!Current)
diff --git a/TokenNet/TokenConfig.h b/TokenNet/TokenConfig.h
index f00cd6da..b08daefb 100644
--- a/TokenNet/TokenConfig.h
+++ b/TokenNet/TokenConfig.h
@@ -44,7 +44,7 @@ public:
 	String	Vendor;
 
 	static TokenConfig* Current;
-	static TokenConfig*	Create(const char* vendor, ProtocolType protocol, ushort sport, ushort port);
+	static TokenConfig*	Create(cstring vendor, ProtocolType protocol, ushort sport, ushort port);
 
 private:
 };
diff --git a/TokenNet/TokenController.cpp b/TokenNet/TokenController.cpp
index a8d0ca15..bb5e3621 100644
--- a/TokenNet/TokenController.cpp
+++ b/TokenNet/TokenController.cpp
@@ -271,7 +271,7 @@ bool TokenController::Send(Message& msg)
 	return Controller::SendInternal(bs, msg.State);
 }
 
-void TokenController::ShowMessage(const char* action, const Message& msg)
+void TokenController::ShowMessage(cstring action, const Message& msg)
 {
 #if MSG_DEBUG
 	TS("TokenController::ShowMessage");
diff --git a/TokenNet/TokenController.h b/TokenNet/TokenController.h
index bc38ebaf..f93daa8b 100644
--- a/TokenNet/TokenController.h
+++ b/TokenNet/TokenController.h
@@ -39,7 +39,7 @@ public:
 
 	// 响应消息
 private:
-	void ShowMessage(const char* action, const Message& msg);
+	void ShowMessage(cstring action, const Message& msg);
 
 	// 统计
 private: