diff --git a/inc/hgl/io/TextInputStream.h b/inc/hgl/io/TextInputStream.h
index de02bde..cdaead7 100644
--- a/inc/hgl/io/TextInputStream.h
+++ b/inc/hgl/io/TextInputStream.h
@@ -67,7 +67,7 @@ namespace hgl
 
             InputStream *input_stream;                                                              ///<输入流
 
-            uint8 *buffer;                                                                          ///<缓冲区
+            char *buffer;                                                                           ///<缓冲区
             int32 buffer_size;                                                                      ///<缓冲区大小
             int32 cur_buf_size;                                                                     ///<当前缓冲区大小
 
@@ -92,9 +92,13 @@ namespace hgl
         public:
 
             TextInputStream(InputStream *i,const int buf_size=HGL_SIZE_1MB);
+            TextInputStream(char *buf,const int buf_size);
             virtual ~TextInputStream()
             {
-                SAFE_CLEAR_ARRAY(buffer);
+                if(input_stream)    //有input_stream证明是从流加载的，需要删除临时缓冲区
+                {
+                    SAFE_CLEAR_ARRAY(buffer);
+                }                
             }
 
             void SetDefaultBOM(const ByteOrderMask &bo){default_bom=bo;}                            ///<设置缺省BOM头}
diff --git a/src/IO/TextInputStream.cpp b/src/IO/TextInputStream.cpp
index 9774e58..73b6780 100644
--- a/src/IO/TextInputStream.cpp
+++ b/src/IO/TextInputStream.cpp
@@ -16,7 +16,7 @@ namespace hgl
             else
                 buffer_size=stream_size;
 
-            buffer=new uint8[buffer_size];
+            buffer=new char[buffer_size];
             cur_buf_size=0;
 
             bom=ByteOrderMask::NONE;
@@ -28,6 +28,26 @@ namespace hgl
             event_callback=nullptr;
         }
 
+        TextInputStream::TextInputStream(char *buf,const int buf_size)
+        {
+            input_stream=nullptr;
+
+            stream_pos=0;
+            stream_size=0;
+
+            buffer=buf;
+            buffer_size=buf_size;
+            cur_buf_size=buf_size;            
+
+            bom=ByteOrderMask::NONE;
+            default_bom=ByteOrderMask::UTF8;
+
+            callback_u8=nullptr;
+            callback_u16=nullptr;
+            callback_u32=nullptr;
+            event_callback=nullptr;
+        }
+
         template<> void TextInputStream::SetParseCallback(ParseCallback<char> *pc){callback_u8=pc;}
         template<> void TextInputStream::SetParseCallback(ParseCallback<u16char> *pc){callback_u16=pc;}
         template<> void TextInputStream::SetParseCallback(ParseCallback<u32char> *pc){callback_u32=pc;}
@@ -80,7 +100,7 @@ namespace hgl
 
         int TextInputStream::TextBlockParse()
         {
-            uint8 *p=buffer;
+            uint8 *p=(uint8 *)buffer;
 
             if(stream_pos==0)       //最开始，那检测一下BOM头
             {
@@ -124,11 +144,19 @@ namespace hgl
 
         int TextInputStream::Run()
         {
-            if(!input_stream)return(-1);
-            
             if(!callback_u8
              &&!callback_u16
-             &&!callback_u32)return(-2);            
+             &&!callback_u32)return(-2);
+
+            if(!input_stream)
+            {
+                if(buffer)
+                {
+                    return TextBlockParse();
+                }
+
+                return(-1);
+            }
 
             int64 read_size;