diff --git a/example/DirectGLRender/main.cpp b/example/DirectGLRender/main.cpp
index 54d01fa5..21665a6e 100644
--- a/example/DirectGLRender/main.cpp
+++ b/example/DirectGLRender/main.cpp
@@ -68,10 +68,10 @@ void InitVertexBuffer()
     vb_vertex=CreateVBO(VB2f(3,vertex_data));
     vb_color=CreateVBO(VB3f(3,color_data));
 
-    va=new VertexArray(2);                  //两个属性
+    va=new VertexArray();                                                       ///<创建VAO
 
-    const int vertex_location=shader.GetAttribLocation("Vertex");              ///<取得顶点数据输入流对应的shader地址
-    const int color_location=shader.GetAttribLocation("Color");                ///<取得颜色数据输入流对应的shader地址
+    const int vertex_location=shader.GetAttribLocation("Vertex");               ///<取得顶点数据输入流对应的shader地址
+    const int color_location=shader.GetAttribLocation("Color");                 ///<取得颜色数据输入流对应的shader地址
 
     va->SetPosition(vertex_location,vb_vertex);
     va->AddBuffer(color_location,vb_color);
diff --git a/inc/hgl/graph/VertexArray.h b/inc/hgl/graph/VertexArray.h
index 17647268..75772c72 100644
--- a/inc/hgl/graph/VertexArray.h
+++ b/inc/hgl/graph/VertexArray.h
@@ -26,7 +26,7 @@ namespace hgl
 
         public:
 
-            VertexArray(GLint max_vertex_attrib);
+            VertexArray();
             ~VertexArray();
 
             static int      GetMaxVertexAttrib();
diff --git a/src/RenderDriver/VertexArray.cpp b/src/RenderDriver/VertexArray.cpp
index 807569e3..c64259e1 100644
--- a/src/RenderDriver/VertexArray.cpp
+++ b/src/RenderDriver/VertexArray.cpp
@@ -18,12 +18,9 @@ namespace hgl
             return HGL_MAX_VERTEX_ATTRIBS;
         }
 
-        VertexArray::VertexArray(GLint max_vertex_attrib)
+        VertexArray::VertexArray()
         {
-            if(max_vertex_attrib>GetMaxVertexAttrib())
-                max_vertex_attrib=HGL_MAX_VERTEX_ATTRIBS;
-
-            vbo_list.PreMalloc(max_vertex_attrib);
+            vbo_list.PreMalloc(HGL_MAX_VERTEX_ATTRIBS);
             
             element_buffer=nullptr;