diff --git a/inc/hgl/io/DataOutputStream.h b/inc/hgl/io/DataOutputStream.h
index 972eb04..9667725 100644
--- a/inc/hgl/io/DataOutputStream.h
+++ b/inc/hgl/io/DataOutputStream.h
@@ -146,7 +146,7 @@ namespace hgl
         public:
 
             //32 bit length
-            bool WriteUTF8String        (const u8char *str,uint length);                                            ///<按utf16-le格式写入字符串(前置4字节字符串长度,再写入字符阵列)
+            bool WriteUTF8String        (const u8char *str,uint length);                                            ///<按utf8格式写入字符串(前置4字节字符串长度,再写入字符阵列)
             bool WriteUTF8String        (const u8char *str            );                                            ///<按utf8格式写入字符串(前置4字节字符串长度,再写入字符阵列)
             bool WriteUTF8String        (const UTF8String &str      );                                              ///<按utf8格式写入字符串(前置4字节字符串长度,再写入字符阵列)
             bool WriteUTF8String        (const UTF16String &str     );                                              ///<按utf8格式写入字符串(前置4字节字符串长度,再写入字符阵列)
@@ -168,7 +168,7 @@ namespace hgl
             bool WriteAnsiString        (const AnsiString &str      ){return WriteUTF8String((u8char *)str.c_str(),str.Length());}
 
             //16 bit length
-            bool WriteUTF8ShortString   (const u8char *str,uint length);                                            ///<按utf16-le格式写入字符串(前置2字节字符串长度,再写入字符阵列)
+            bool WriteUTF8ShortString   (const u8char *str,uint length);                                            ///<按utf8格式写入字符串(前置2字节字符串长度,再写入字符阵列)
             bool WriteUTF8ShortString   (const u8char *str            );                                            ///<按utf8格式写入字符串(前置2字节字符串长度,再写入字符阵列)
             bool WriteUTF8ShortString   (const UTF8String &str      );                                              ///<按utf8格式写入字符串(前置2字节字符串长度,再写入字符阵列)
             bool WriteUTF8ShortString   (const UTF16String &str     );                                              ///<按utf8格式写入字符串(前置2字节字符串长度,再写入字符阵列)
@@ -190,7 +190,7 @@ namespace hgl
             bool WriteAnsiShortString   (const AnsiString &str      ){return WriteUTF8ShortString((u8char *)str.c_str(),str.Length());}
 
             //8 bit length
-            bool WriteUTF8TinyString    (const u8char *str,uint length);                                            ///<按utf16-le格式写入字符串(前置1字节字符串长度,再写入字符阵列)
+            bool WriteUTF8TinyString    (const u8char *str,uint length);                                            ///<按utf8格式写入字符串(前置1字节字符串长度,再写入字符阵列)
             bool WriteUTF8TinyString    (const u8char *str            );                                            ///<按utf8格式写入字符串(前置1字节字符串长度,再写入字符阵列)
             bool WriteUTF8TinyString    (const UTF8String &str      );                                              ///<按utf8格式写入字符串(前置1字节字符串长度,再写入字符阵列)
             bool WriteUTF8TinyString    (const UTF16String &str     );                                              ///<按utf8格式写入字符串(前置1字节字符串长度,再写入字符阵列)
diff --git a/inc/hgl/platform/Platform.h b/inc/hgl/platform/Platform.h
index 3f149e1..1e9db6c 100644
--- a/inc/hgl/platform/Platform.h
+++ b/inc/hgl/platform/Platform.h
@@ -1,6 +1,8 @@
 #ifndef HGL_PLATFORM_INCLUDE
 #define HGL_PLATFORM_INCLUDE
 
+#include<hgl/platform/os/vsprintf.h>
+
 #ifdef _DEBUG
     #define HGL_LIB_DEBUG_NAME  "Debug"
 #else
diff --git a/inc/hgl/platform/os/CharType.h b/inc/hgl/platform/os/CharType.h
index 6e7c0d7..aeb9211 100644
--- a/inc/hgl/platform/os/CharType.h
+++ b/inc/hgl/platform/os/CharType.h
@@ -16,5 +16,4 @@ using os_char           =char;
 #define os_in           std::cin
 #define os_err          std::cerr
 #define os_log          std::clog
-
 #endif//HGL_CHAR_TYPE_INCLUDE
diff --git a/inc/hgl/platform/os/vsprintf.h b/inc/hgl/platform/os/vsprintf.h
new file mode 100644
index 0000000..a6ec27c
--- /dev/null
+++ b/inc/hgl/platform/os/vsprintf.h
@@ -0,0 +1,9 @@
+#ifndef HGL_VSPRINTF_INCLUDE
+#define HGL_VSPRINTF_INCLUDE
+
+#include<stdarg.h>
+namespace hgl
+{
+    template<typename T> int vsprintf(T *,const size_t,const T *,va_list va);
+}//namespace hgl
+#endif//HGL_VSPRINTF_INCLUDE
\ No newline at end of file