diff --git a/example/CMakeLists.txt b/example/CMakeLists.txt
index 69c2caad..f869b0ff 100644
--- a/example/CMakeLists.txt
+++ b/example/CMakeLists.txt
@@ -1,4 +1,5 @@
 add_subdirectory(EnumRenderDevice)
 add_subdirectory(OutputGLInfo)
 add_subdirectory(NullWindow)
-add_subdirectory(DrawTriangle)
+add_subdirectory(DirectGLRender)
+# add_subdirectory(DrawTriangle)
diff --git a/example/DirectGLRender/CMakeLists.txt b/example/DirectGLRender/CMakeLists.txt
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/example/DirectGLRender/CMakeLists.txt
@@ -0,0 +1 @@
+
diff --git a/example/DirectGLRender/main.cpp b/example/DirectGLRender/main.cpp
new file mode 100644
index 00000000..e02abfc9
--- /dev/null
+++ b/example/DirectGLRender/main.cpp
@@ -0,0 +1 @@
+
diff --git a/inc/hgl/type/List.h b/inc/hgl/type/List.h
index 806d4e74..dc7b4b84 100644
--- a/inc/hgl/type/List.h
+++ b/inc/hgl/type/List.h
@@ -5,10 +5,6 @@
 #include<stdlib.h>
 #include<initializer_list>
 
-#if defined(__BORLANDC__)||defined(__TURBOC__)||defined(__CODEGEARC__)
-#pragma warn -8022						//使hides vitual function警告无效
-#endif//
-
 namespace hgl
 {
 	/**
@@ -64,7 +60,7 @@ namespace hgl
 
 		virtual void operator += (const T &obj){Add(obj);}											///<操作符重载添加一个数据
 		virtual void operator << (const T &obj){Add(obj);}											///<操作符重载添加一个数据
-		virtual void operator -= (const T &obj){DeleteByValue(obj);}									///<操作符重载删除一个数据
+		virtual void operator -= (const T &obj){DeleteByValue(obj);}								///<操作符重载删除一个数据
 
 				bool Get(int,T &)const;																///<取得指定索引处的数据
 				void Set(int,const T &);															///<设置指定索引处的数据