diff --git a/core/Common/String.cpp b/core/Common/String.cpp
index 45821af1..864b3a30 100644
--- a/core/Common/String.cpp
+++ b/core/Common/String.cpp
@@ -4,21 +4,6 @@
 #pragma comment(lib, "comsuppw.lib")
 
 
-// 将 Unicode 字符串转化为 ANSI 字符串
-static std::string ConvertWide2Ansi(const wchar_t* wstr)
-{
-	std::string str = static_cast<char*>(_bstr_t(wstr));
-	return std::move(str);
-}
-
-// 将 ANSI 字符串转化为 Unicode 字符串
-static std::wstring ConvertAnsi2Wide(const char* cstr)
-{
-	std::wstring str = static_cast<wchar_t*>(_bstr_t(cstr));
-	return std::move(str);
-}
-
-
 e2d::String::String()
 	: m_str(L"")
 {
@@ -30,12 +15,7 @@ e2d::String::String(const wchar_t *str)
 }
 
 e2d::String::String(const char *cstr)
-	: m_str(ConvertAnsi2Wide(cstr))
-{
-}
-
-e2d::String::String(const std::string &str)
-	: m_str(ConvertAnsi2Wide(str.c_str()))
+	: m_str(static_cast<wchar_t*>(_bstr_t(cstr)))
 {
 }
 
@@ -49,11 +29,6 @@ e2d::String::String(const e2d::String &str)
 {
 }
 
-e2d::String::String(const std::wstring &str)
-	: m_str(str)
-{
-}
-
 e2d::String::~String()
 {
 	m_str.clear();
@@ -67,7 +42,7 @@ e2d::String &e2d::String::operator=(const wchar_t *str)
 
 e2d::String & e2d::String::operator=(const char *cstr)
 {
-	m_str = ConvertAnsi2Wide(cstr);
+	m_str = static_cast<wchar_t*>(_bstr_t(cstr));
 	return *this;
 }
 
@@ -77,18 +52,6 @@ e2d::String & e2d::String::operator=(const String &str)
 	return *this;
 }
 
-e2d::String & e2d::String::operator=(const std::wstring &str)
-{
-	m_str = str;
-	return *this;
-}
-
-e2d::String & e2d::String::operator=(const std::string &str)
-{
-	m_str = ConvertAnsi2Wide(str.c_str());
-	return *this;
-}
-
 bool e2d::String::operator==(const wchar_t *str)
 {
 	if (str)
@@ -119,11 +82,6 @@ bool e2d::String::operator ==(const e2d::String &str)
 	return m_str == str.m_str;
 }
 
-bool e2d::String::operator==(const std::wstring &str)
-{
-	return m_str == str;
-}
-
 bool e2d::String::operator!=(const wchar_t *str)
 {
 	if (str)
@@ -154,11 +112,6 @@ bool e2d::String::operator!=(const e2d::String &str)
 	return m_str != str.m_str;
 }
 
-bool e2d::String::operator!=(const std::wstring &str)
-{
-	return m_str != str;
-}
-
 wchar_t &e2d::String::operator[](int index)
 {
 	return m_str[static_cast<size_t>(index)];
@@ -174,7 +127,7 @@ e2d::String e2d::String::operator+(const wchar_t *str)
 e2d::String e2d::String::operator+(const char *str)
 {
 	String temp;
-	temp.m_str = m_str + ::ConvertAnsi2Wide(str);
+	temp.m_str = m_str + static_cast<wchar_t*>(_bstr_t(str));
 	return std::move(temp);
 }
 
@@ -185,13 +138,6 @@ e2d::String e2d::String::operator+(const e2d::String &str)
 	return std::move(temp);
 }
 
-e2d::String e2d::String::operator+(const std::wstring &str)
-{
-	String temp;
-	temp.m_str = m_str + str;
-	return std::move(temp);
-}
-
 e2d::String e2d::operator+(const wchar_t *str1, const e2d::String &str2)
 {
 	String temp;
@@ -202,14 +148,7 @@ e2d::String e2d::operator+(const wchar_t *str1, const e2d::String &str2)
 e2d::String e2d::operator+(const char *str1, const String &str2)
 {
 	String temp;
-	temp.m_str = ::ConvertAnsi2Wide(str1) + str2.m_str;
-	return std::move(temp);
-}
-
-e2d::String e2d::operator+(const std::wstring &str1, const e2d::String &str2)
-{
-	String temp;
-	temp.m_str = str1 + str2.m_str;
+	temp.m_str = static_cast<wchar_t*>(_bstr_t(str1)) + str2.m_str;
 	return std::move(temp);
 }
 
@@ -221,7 +160,7 @@ e2d::String & e2d::String::operator+=(const wchar_t *str)
 
 e2d::String & e2d::String::operator+=(const char *str)
 {
-	m_str += ::ConvertAnsi2Wide(str);
+	m_str += static_cast<wchar_t*>(_bstr_t(str));
 	return (*this);
 }
 
@@ -231,12 +170,6 @@ e2d::String & e2d::String::operator+=(const String &str)
 	return (*this);
 }
 
-e2d::String & e2d::String::operator+=(const std::wstring &str)
-{
-	m_str += str;
-	return (*this);
-}
-
 bool e2d::String::operator>(const String &str) const
 {
 	return m_str > str.m_str;
@@ -292,11 +225,6 @@ e2d::String::operator wchar_t*() const
 	return const_cast<wchar_t*>(m_str.c_str());
 }
 
-e2d::String::operator const char*() const
-{
-	return ::ConvertWide2Ansi(m_str.c_str()).c_str();
-}
-
 bool e2d::String::isEmpty() const
 {
 	return m_str.empty();
@@ -319,6 +247,17 @@ unsigned int e2d::String::getHashCode() const
 	return hash;
 }
 
+std::wstring e2d::String::getWString() const
+{
+	return m_str;
+}
+
+std::string e2d::String::getCString() const
+{
+	std::string str = static_cast<const char *>(_bstr_t(m_str.c_str()));
+	return std::move(str);
+}
+
 e2d::String e2d::String::toUpper() const
 {
 	String str(*this);
@@ -427,13 +366,13 @@ e2d::String & e2d::String::append(wchar_t * str)
 
 e2d::String & e2d::String::append(const char * str)
 {
-	m_str += ::ConvertAnsi2Wide(str);
+	m_str += static_cast<wchar_t*>(_bstr_t(str));
 	return *this;
 }
 
 e2d::String & e2d::String::append(char * str)
 {
-	m_str += ::ConvertAnsi2Wide(str);
+	m_str += static_cast<wchar_t*>(_bstr_t(str));
 	return *this;
 }
 
@@ -443,28 +382,29 @@ e2d::String & e2d::String::append(const e2d::String & str)
 	return (*this);
 }
 
-std::wostream & e2d::operator<<(std::wostream &cout, String &str)
+std::wostream & e2d::operator<<(std::wostream &cout, const String &str)
 {
 	cout << str.m_str;
 	return cout;
 }
 
-std::wistream & e2d::operator>>(std::wistream &cin, e2d::String &str)
+std::wistream & e2d::operator>>(std::wistream &cin, String &str)
 {
 	cin >> str.m_str;
 	return cin;
 }
 
-std::ostream & e2d::operator<<(std::ostream &cout, String &str)
+std::ostream & e2d::operator<<(std::ostream &cout, const String &str)
 {
-	cout << ::ConvertWide2Ansi(str.m_str.c_str());
+	std::string cstr = static_cast<char*>(_bstr_t(str.m_str.c_str()));
+	cout << cstr;
 	return cout;
 }
 
-std::istream & e2d::operator>>(std::istream &cin, e2d::String &str)
+std::istream & e2d::operator>>(std::istream &cin, String &str)
 {
 	std::string temp;
 	cin >> temp;
-	str.m_str = ::ConvertAnsi2Wide(temp.c_str());
+	str.m_str = static_cast<wchar_t*>(_bstr_t(temp.c_str()));
 	return cin;
 }
\ No newline at end of file
diff --git a/core/Tool/Data.cpp b/core/Tool/Data.cpp
index 669486d8..d6cd2ef4 100644
--- a/core/Tool/Data.cpp
+++ b/core/Tool/Data.cpp
@@ -49,7 +49,7 @@ e2d::String e2d::Data::getString(const String & key, const String & defaultValue
 	return temp;
 }
 
-void e2d::Data::setDefaultFileName(const String & fileName)
+void e2d::Data::setDataFilePath(const String & fileName)
 {
 	if (!fileName.isEmpty())
 	{
diff --git a/core/Tool/File.cpp b/core/Tool/File.cpp
index bb33a671..026efa41 100644
--- a/core/Tool/File.cpp
+++ b/core/Tool/File.cpp
@@ -39,7 +39,7 @@ e2d::String e2d::Path::getTempPath()
 
 	// 创建临时文件目录
 	e2d::String tempFilePath;
-	tempFilePath << path << L"Easy2DGameTemp";
+	tempFilePath << path << L"Easy2DGameTemp\\";
 	// 创建文件夹
 	if (!Path::createFolder(tempFilePath))
 	{
@@ -51,13 +51,12 @@ e2d::String e2d::Path::getTempPath()
 	if (!sAppName.isEmpty())
 	{
 		// 创建文件夹
-		if (!Path::createFolder(tempFilePath + L"\\" + sAppName))
+		if (!Path::createFolder(tempFilePath + sAppName + L"\\"))
 		{
 			return std::move(tempFilePath);
 		}
-		tempFilePath << L"\\" << sAppName;
+		tempFilePath << sAppName << L"\\";
 	}
-	tempFilePath << L"\\";
 	return std::move(tempFilePath);
 }
 
diff --git a/core/ecommon.h b/core/ecommon.h
index 205a5a7f..525dbd63 100644
--- a/core/ecommon.h
+++ b/core/ecommon.h
@@ -89,9 +89,9 @@ class String
 {
 public:
 	String();
-	String(const wchar_t *);
 	String(const String &);
-	String(const std::wstring &);
+	String(const char *);
+	String(const wchar_t *);
 	String(String &&);
 
 	~String();
@@ -105,6 +105,27 @@ public:
 	// 获取该字符串的散列值
 	unsigned int getHashCode() const;
 
+	// 获取 Unicode 字符串
+	std::wstring getWString() const;
+
+	// 获取 ANSI 字符串
+	std::string getCString() const;
+
+	// 后接字符串
+	String& append(
+		const String &str
+	);
+
+	// 后接字符串
+	String& append(
+		const char * cstr
+	);
+
+	// 后接字符串
+	String& append(
+		char * cstr
+	);
+
 	// 后接字符串
 	String& append(
 		const wchar_t *str
@@ -115,20 +136,9 @@ public:
 		wchar_t *str
 	);
 
-	// 后接字符串
-	String& append(
-		const String &str
-	);
-
 	// 后接字符串
 	template<typename T>
-	String& append(const T &value)
-	{
-		std::wostringstream ss;
-		ss << value;
-		m_str += ss.str();
-		return (*this);
-	}
+	String& append(const T &value);
 
 	// 获取裁剪字符串
 	String subtract(
@@ -166,76 +176,58 @@ public:
 
 	// 将任意类型转化为字符串
 	template<typename T>
-	static String toString(const T value)
-	{
-		std::wostringstream ss;
-		ss << value;
-		return ss.str();
-	}
+	static String toString(const T value);
 
-	static String toString(const wchar_t * str) { return std::move(String(str)); }
-	static String toString(const char * str) { return std::move(String(str)); }
-
-	String& operator= (const wchar_t *);
+	// 赋值运算符
 	String& operator= (const String &);
-	String& operator= (const std::wstring &);
+	String& operator= (const char *);
+	String& operator= (const wchar_t *);
 
-	bool operator== (const wchar_t *);
-	bool operator== (const String &);
-	bool operator== (const std::wstring &);
-
-	bool operator!= (const wchar_t *);
-	bool operator!= (const String &);
-	bool operator!= (const std::wstring &);
-
-	wchar_t &operator[] (int);
-
-	String operator+ (const wchar_t *);
-	String operator+ (const String &);
-	String operator+ (const std::wstring &);
-
-	friend String operator+ (const wchar_t*, const String &);
-	friend String operator+ (const std::wstring &, const String &);
-
-	String& operator+= (const wchar_t *);
+	// 运算符
 	String& operator+= (const String &);
-	String& operator+= (const std::wstring &);
+	String& operator+= (const char *);
+	String& operator+= (const wchar_t *);
+	String operator+ (const String &);
+	String operator+ (const char *);
+	String operator+ (const wchar_t *);
 
+	// 友元运算符
+	friend String operator+ (const char *, const String &);
+	friend String operator+ (const wchar_t*, const String &);
+
+	// 类型转换操作符
+	operator const wchar_t* () const;
+	operator wchar_t* () const;
+
+	// 比较运算符
+	bool operator== (const String &);
+	bool operator== (const char *);
+	bool operator== (const wchar_t *);
+	bool operator!= (const String &);
+	bool operator!= (const char *);
+	bool operator!= (const wchar_t *);
 	bool operator> (const String &) const;
 	bool operator>= (const String &) const;
 	bool operator< (const String &) const;
 	bool operator<= (const String &) const;
 
+	// << 运算符
 	String& operator<< (const String &);
+	String& operator<< (const char *);
+	String& operator<< (char *);
 	String& operator<< (const wchar_t *);
 	String& operator<< (wchar_t *);
 	template<typename T>
 	String& operator<< (const T value) { return this->append<>(value); }
 
-	operator const wchar_t* () const;
-	operator wchar_t* () const;
+	// 其他运算符
+	wchar_t &operator[] (int);
 
-	friend std::wostream& operator<< (std::wostream &, String &);
-	friend std::wistream& operator>> (std::wistream &, String &);
+	friend std::ostream& operator<< (std::ostream &, const String &);
+	friend std::wostream& operator<< (std::wostream &, const String &);
 
-	// 为 ANSI 作出的适应
-	String(const char *);
-	String(const std::string &);
-	operator const char* () const;
-	String& operator= (const char *);
-	String& operator= (const std::string &);
-	bool operator== (const char *);
-	bool operator!= (const char *);
-	String operator+ (const char *);
-	friend String operator+ (const char *, const String &);
-	String& operator+= (const char *);
-	String& operator<< (const char *);
-	String& operator<< (char *);
-	String& append(const char *);
-	String& append(char *);
-
-	friend std::ostream& operator<< (std::ostream &, String &);
 	friend std::istream& operator>> (std::istream &, String &);
+	friend std::wistream& operator>> (std::wistream &, String &);
 
 private:
 	std::wstring m_str;
@@ -741,4 +733,23 @@ protected:
 	VoidFunction m_callback;
 };
 
+// String 类模板函数定义
+template<typename T>
+inline e2d::String & e2d::String::append(const T & value)
+{
+	std::wostringstream ss;
+	ss << value;
+	m_str += ss.str();
+	return (*this);
+}
+
+template<typename T>
+inline e2d::String e2d::String::toString(const T value)
+{
+	std::wostringstream ss;
+	ss << value;
+	String str = ss.str().c_str();
+	return std::move(str);
+}
+
 }
\ No newline at end of file
diff --git a/core/etools.h b/core/etools.h
index f72a50e1..54e2ed4e 100644
--- a/core/etools.h
+++ b/core/etools.h
@@ -191,7 +191,7 @@ public:
 	);
 
 	// 修改数据文件的默认名称
-	static void setDefaultFileName(
+	static void setDataFilePath(
 		const String & fileName
 	);