diff --git a/inc/hgl/util/xml/XMLParse.h b/inc/hgl/util/xml/XMLParse.h
index 8e84f79..8720efa 100644
--- a/inc/hgl/util/xml/XMLParse.h
+++ b/inc/hgl/util/xml/XMLParse.h
@@ -125,6 +125,8 @@ namespace hgl
         }
     };//class XMLElementParseKV:public XMLElementParse
 
+    constexpr int XML_PARSE_BUFFER_SIZE=HGL_SIZE_1KB*128;       ///<XML解析缓冲区大小
+
     /**
     * XML解析器<br>
     */
@@ -145,7 +147,7 @@ namespace hgl
 
     public:
 
-        XMLParse(XMLElementParse *,const int size=HGL_SIZE_1KB*128);
+        XMLParse(XMLElementParse *,const int size=XML_PARSE_BUFFER_SIZE);
         virtual ~XMLParse();
 
         virtual void Start(const char *charset="utf-8");
diff --git a/src/xml/XMLParseClass.cpp b/src/xml/XMLParseClass.cpp
index 88e100a..e9ef54c 100644
--- a/src/xml/XMLParseClass.cpp
+++ b/src/xml/XMLParseClass.cpp
@@ -57,7 +57,7 @@ namespace hgl
         xml=nullptr;
 
         if(size<=0)
-            buffer_size=HGL_SIZE_1KB*128;
+            buffer_size=XML_PARSE_BUFFER_SIZE;
         else
             buffer_size=size;