diff --git a/src/include/wxml.h b/src/include/wxml.h
index 1c2ba89..2532c60 100644
--- a/src/include/wxml.h
+++ b/src/include/wxml.h
@@ -424,12 +424,19 @@ namespace WXML
 
         class Token
         {
+            /**
+             * 内存结构：
+             * 00 00 00 00 标识type
+             * 00 00 00 00... 当标识为0时后面为需要的动态字符串tokenName
+            */
         private:
             /* data */
+            int type;
+            std::string tokenName;
         public:
             Token(/* args */);
             ~Token();
-            static const char * GetTokenName(const char **a1);
+            const char * GetTokenName();
         };
         
         
diff --git a/src/wxml/expr_lib/token.cpp b/src/wxml/expr_lib/token.cpp
index 5f22c18..282b4a4 100644
--- a/src/wxml/expr_lib/token.cpp
+++ b/src/wxml/expr_lib/token.cpp
@@ -12,15 +12,13 @@ namespace WXML
         Token::~Token()
         {
         }
-        const char * Token::GetTokenName(const char **a1)
+        const char * Token::GetTokenName()
         {
-            const char *result; // eax
-
-            result = *a1;
-            switch ( (unsigned int)*a1 )
+            const char *result;
+            switch ( this->type )
             {
                 case 0u:
-                result = (const char *)(a1 + 1);
+                result = this->tokenName.c_str();
                 break;
                 case 1u:
                 result = "$DECIMAL";