diff --git a/inc/hgl/util/xml/ElementParseKV.h b/inc/hgl/util/xml/ElementParseKV.h
index 493b06c..8ea3832 100644
--- a/inc/hgl/util/xml/ElementParseKV.h
+++ b/inc/hgl/util/xml/ElementParseKV.h
@@ -36,7 +36,7 @@ namespace hgl
 
         public:
 
-            const bool      IsExist     (const UTF8String &name)const{return attrs_map.KeyExist(name);}
+            const bool      Contains     (const UTF8String &name)const{return attrs_map.ContainsKey(name);}
 
             const u8char *  ToCString   (const UTF8String &name){const AttrItem *ai=GetAttrItem(name);return(ai?ai->value.c_str():nullptr);}
             const u8char *  operator[]  (const UTF8String &name){return ToCString(name);}
diff --git a/src/xml/ElementCreater.cpp b/src/xml/ElementCreater.cpp
index 7ac9f7b..5e49643 100644
--- a/src/xml/ElementCreater.cpp
+++ b/src/xml/ElementCreater.cpp
@@ -11,7 +11,7 @@ namespace hgl
             const UTF8String &name=ec->GetElementName().ToLowerCase();
 
             if(name.IsEmpty())return(false);
-            if(ecs_map.KeyExist(name))return(false);
+            if(ecs_map.ContainsKey(name))return(false);
 
             ecs_map.Add(name,ec);
             return(true);