diff --git a/datatype/IDNameTest.cpp b/datatype/IDNameTest.cpp
index bcc5c95..5ac30d2 100644
--- a/datatype/IDNameTest.cpp
+++ b/datatype/IDNameTest.cpp
@@ -5,15 +5,23 @@ void main()
 {
     using namespace hgl;
 
-    UTF8IDName id1("utf8_1");
-    UTF8IDName id2("utf8_2");
+    UTF8IDName id1("id1");
+    UTF8IDName id2("id2");
 
-    AnsiIDName id3("ansi_1");
-    AnsiIDName id4("ansi_2");
+    AnsiIDName id3("id1");
+    AnsiIDName id4("id2");
+
+    UTF8IDName id5("id1");
+    AnsiIDName id6("id1");
 
     std::cout<<id1.GetID()<<":"<<id1.GetName()<<", ClassID: "<<std::hex<<id1.GetClassID()<<std::endl;
     std::cout<<id2.GetID()<<":"<<id2.GetName()<<", ClassID: "<<std::hex<<id2.GetClassID()<<std::endl;
 
     std::cout<<id3.GetID()<<":"<<id3.GetName()<<", ClassID: "<<std::hex<<id3.GetClassID()<<std::endl;
     std::cout<<id4.GetID()<<":"<<id4.GetName()<<", ClassID: "<<std::hex<<id4.GetClassID()<<std::endl;
+
+    if(id1==id5)
+        std::cout<<"id1==id5"<<std::endl;
+    else
+        std::cout<<"id1!=id5"<<std::endl;
 }