diff --git a/inc/hgl/type/StringList.h b/inc/hgl/type/StringList.h
index 84b5553..258bde9 100644
--- a/inc/hgl/type/StringList.h
+++ b/inc/hgl/type/StringList.h
@@ -648,11 +648,11 @@ namespace hgl
     inline int LoadUTF16LEStringList   (UTF16StringList &  sl,io::DataInputStream *dis){return LoadStringList<u16char, bomUTF16LE  >(sl,dis);}
     inline int LoadUTF16BEStringList   (UTF16StringList &  sl,io::DataInputStream *dis){return LoadStringList<u16char, bomUTF16BE  >(sl,dis);}
 
-    int LoadStringFromText(UTF8String &str,void *data,const int size,const CharSet &default_charset=UTF8CharSet);                   ///<从文件加载一个文本块到UTF8StringList
-    int LoadStringFromText(UTF16String &str,void *data,const int size,const CharSet &default_charset=UTF8CharSet);                  ///<从文件加载一个文本块到UTF16StringList
+    int LoadStringFromText(UTF8String &str,const void *data,const int size,const CharSet &default_charset=UTF8CharSet);             ///<从文件加载一个文本块到UTF8StringList
+    int LoadStringFromText(UTF16String &str,const void *data,const int size,const CharSet &default_charset=UTF8CharSet);            ///<从文件加载一个文本块到UTF16StringList
 
-    int LoadStringListFromText(UTF8StringList   &sl,void *data,const int size,const CharSet &default_charset=UTF8CharSet);          ///<从文件加载一个文本块到UTF8StringList
-    int LoadStringListFromText(UTF16StringList  &sl,void *data,const int size,const CharSet &default_charset=UTF8CharSet);          ///<从文件加载一个文本块到UTF16StringList
+    int LoadStringListFromText(UTF8StringList   &sl,const void *data,const int size,const CharSet &default_charset=UTF8CharSet);    ///<从文件加载一个文本块到UTF8StringList
+    int LoadStringListFromText(UTF16StringList  &sl,const void *data,const int size,const CharSet &default_charset=UTF8CharSet);    ///<从文件加载一个文本块到UTF16StringList
 
     int LoadStringFromTextFile(     UTF16String &str,   const OSString &filename,const CharSet &default_charset=UTF8CharSet);       ///<从文件加载一个文本文件到UTF16String
     int LoadStringListFromTextFile( UTF8StringList &sl, const OSString &filename,const CharSet &default_charset=UTF8CharSet);       ///<从文件加载一个文本文件到UTF8StringList
diff --git a/src/DataType/StringList.cpp b/src/DataType/StringList.cpp
index d7fbab9..a6a2c08 100644
--- a/src/DataType/StringList.cpp
+++ b/src/DataType/StringList.cpp
@@ -5,12 +5,12 @@ namespace hgl
     /**
      * 加载一个原始文本块到UTF8String
      */
-    int LoadStringFromText(UTF8String &full_text,void *source_data,const int size,const CharSet &cs)
+    int LoadStringFromText(UTF8String &full_text,const void *source_data,const int size,const CharSet &cs)
     {
         u8char *str=nullptr;
         int char_count=0;
 
-        u8char *data=(u8char *)source_data;
+        const u8char *data=(const u8char *)source_data;
 
         if(size>=3&&data[0]==0xEF&&data[1]==0xBB&&data[2]==0xBF)            //utf8
         {
@@ -76,16 +76,15 @@ namespace hgl
             delete[] str;
         }
 
-        delete[] data;
         return char_count;
     }
 
     /**
      * 加载一个原始文本块到UTF16String
      */
-    int LoadStringFromText(UTF16String &full_text,void *source_data,const int size,const CharSet &cs)
+    int LoadStringFromText(UTF16String &full_text,const void *source_data,const int size,const CharSet &cs)
     {
-        uint8 *data=(uint8 *)source_data;
+        const uint8 *data=(const uint8 *)source_data;
         u16char *str=nullptr;
 
         int char_count=0;
@@ -150,14 +149,13 @@ namespace hgl
             delete[] str;
         }
 
-        delete[] data;
         return char_count;
     }
     
     /**
      * 加载一个原始文本块到UTF8StringList
      */
-    int LoadStringListFromText(UTF8StringList &sl,void *data,const int size,const CharSet &cs)
+    int LoadStringListFromText(UTF8StringList &sl,const void *data,const int size,const CharSet &cs)
     {
         UTF8String str;
 
@@ -169,7 +167,7 @@ namespace hgl
     /**
      * 加载一个原始文本块到UTF16StringList
      */
-    int LoadStringListFromText(UTF16StringList &sl,void *data,const int size,const CharSet &cs)
+    int LoadStringListFromText(UTF16StringList &sl,const void *data,const int size,const CharSet &cs)
     {
         UTF16String str;