diff --git a/ShaderLibrary/Std3D/BlinnPhong/BlinnPhongSun.ubo b/ShaderLibrary/Std3D/BlinnPhong/BlinnPhongSun.ubo
index 9eda1481..c1c92cdf 100644
--- a/ShaderLibrary/Std3D/BlinnPhong/BlinnPhongSun.ubo
+++ b/ShaderLibrary/Std3D/BlinnPhong/BlinnPhongSun.ubo
@@ -1,2 +1,2 @@
-vec3 direction;
-vec3 color;
+vec4 direction;
+vec4 color;
diff --git a/ShaderLibrary/Std3D/BlinnPhong/SunLightPureColor.mtl b/ShaderLibrary/Std3D/BlinnPhong/SunLightPureColor.mtl
index f93bd9b8..3b1b4426 100644
--- a/ShaderLibrary/Std3D/BlinnPhong/SunLightPureColor.mtl
+++ b/ShaderLibrary/Std3D/BlinnPhong/SunLightPureColor.mtl
@@ -14,11 +14,17 @@ UBO
     File    BlinnPhongSun.ubo   //文件名,如果/开头表示从ShaderLibrary根目录开始，没有则表示同一目录
     Struct  BlinnPhongSun       //结构名称
     Name    sun                 //在代码中的变量名
-    Stage   Vertex,Fragment     //会引用的shader
+    Stage   Fragment            //会引用的shader
     Set     Global              //Descriptor Set
 }
 
 #MaterialInstance
+Length 16
+Stage  Fragment
+Code
+{
+    vec4 Color;
+}
 
 #VertexInput
 vec3 Normal
@@ -33,6 +39,7 @@ Code
 {
     void main()
     {
+        HandoverMI();
         gl_Position=GetPosition3D();
     }
 }
@@ -47,31 +54,33 @@ Code
 {
     void main()
     {
+        MaterialInstance mi=GetMI();
+
         //将法线归一化
         vec3 world_normal           =normalize(Input.Normal);
 
         //对世界坐标下的灯光方法归一化
-        vec3 world_light_direction  =normalize(sun.direction);
+        vec3 world_light_direction  =normalize(sun.direction.xyz);
 
         //点乘法线和光照
-        vec3 diffuse                =0.5*dot(world_light_direction,world_normal)+0.5;
+        vec3 diffuse                =vec3(0.5)*dot(world_light_direction.xyz,world_normal)+vec3(0.5);
 
         //直接光颜色
-        vec3 direct_color           =sun.diffuse*diffuse*sun.color;
+        vec3 direct_color           =sun.color.rgb*mi.Color.rgb;
 
-    #ifndef HAVE_SPECULAR
+//    #ifndef HAVE_SPECULAR
         FragColor=vec4(direct_color,1.0);
-    #else
-        //归一代视角方向
-        vec3 view_direction     =normalize(camera.pos-world_position);
-
-        //世界坐标下的反射光方向
-        vec3 reflect_direction  =normalize(reflect(-world_light_direction,world_normal));
-
-        //高光
-        vec3 specular           =sun.specular*pow(saturate(dot(reflect_direction,view_direction)),gloss);
-
-        FragColor=vec4(direct_color+specular,1.0);
-    #endif//HAVE_SPECULAR
+//     #else
+//         //归一代视角方向
+//         vec3 view_direction     =normalize(camera.pos-world_position);
+//
+//         //世界坐标下的反射光方向
+//         vec3 reflect_direction  =normalize(reflect(-world_light_direction,world_normal));
+//
+//         //高光
+//         vec3 specular           =sun.specular*pow(saturate(dot(reflect_direction,view_direction)),gloss);
+//
+//         FragColor=vec4(direct_color+specular,1.0);
+//     #endif//HAVE_SPECULAR
     }
 }
diff --git a/example/LightBasic/BlinnPhongDirectionLight.cpp b/example/LightBasic/BlinnPhongDirectionLight.cpp
index 79054c9d..6322f7ae 100644
--- a/example/LightBasic/BlinnPhongDirectionLight.cpp
+++ b/example/LightBasic/BlinnPhongDirectionLight.cpp
@@ -20,8 +20,8 @@ static Color4f white_color(1,1,1,1);
 
 static mtl::blinnphong::SunLight sun_light=
 {
-    Vector3f(1,1,1),
-    Vector3f(1,0.975,0.95)
+    Vector4f(1,1,1,0),
+    Vector4f(1,0,0,1)
 };
 
 class TestApp:public SceneAppFramework
@@ -68,8 +68,6 @@ private:
 
     bool CreateBlinnPhongUBO()
     {
-        sun_light.color=Vector3f(1,1,1);
-
         ubo_sun=db->CreateUBO("sun",sizeof(sun_light),&sun_light);
         if(!ubo_sun)return(false);
 
@@ -86,8 +84,9 @@ private:
         if(!mtl_sun_light)return(false);
 
         mtl_sun_light->BindUBO(DescriptorSetType::Global,"sun",ubo_sun);
+        mtl_sun_light->Update();
 
-        mi_sphere=db->CreateMaterialInstance(mtl_sun_light);
+        mi_sphere=db->CreateMaterialInstance(mtl_sun_light,nullptr,&white_color);
         if(!mi_sphere)return(false);
 
         p_sphere=CreatePipeline(mtl_sun_light,InlinePipeline::Solid3D,Prim::Triangles);
@@ -162,6 +161,9 @@ public:
 
         if(!InitVertexLumMP())
             return(false);
+        
+        if(!CreateBlinnPhongUBO())
+            return(false);
 
         if(!InitBlinnPhongSunLightMP())
             return(false);
diff --git a/inc/hgl/graph/VKMaterial.h b/inc/hgl/graph/VKMaterial.h
index 6f428892..dd99ffba 100644
--- a/inc/hgl/graph/VKMaterial.h
+++ b/inc/hgl/graph/VKMaterial.h
@@ -49,15 +49,15 @@ public:
 
     virtual ~Material();
 
-    const   UTF8String &                        GetName                 ()const{return name;}
+    const   AnsiString &                        GetName                 ()const{return name;}
 
     const   VertexInput *                       GetVertexInput          ()const{return vertex_input;}
 
     const   ShaderStageCreateInfoList &         GetStageList            ()const{return shader_stage_list;}
 
-    const   MaterialDescriptorManager *         GetDescriptorSets       ()const{return desc_manager;}
+//    const   MaterialDescriptorManager *         GetDescriptorManager    ()const{return desc_manager;}
     const   VkPipelineLayout                    GetPipelineLayout       ()const;
-    const   PipelineLayoutData *                GetPipelineLayoutData   ()const{return pipeline_layout_data;}
+//    const   PipelineLayoutData *                GetPipelineLayoutData   ()const{return pipeline_layout_data;}
 
 public:
 
diff --git a/inc/hgl/graph/mtl/BlinnPhong.h b/inc/hgl/graph/mtl/BlinnPhong.h
index 62ee9b1b..a42d1895 100644
--- a/inc/hgl/graph/mtl/BlinnPhong.h
+++ b/inc/hgl/graph/mtl/BlinnPhong.h
@@ -8,8 +8,8 @@ namespace blinnphong
 {
     struct SunLight
     {
-        Vector3f direction;
-        Vector3f color;
+        Vector4f direction;
+        Vector4f color;
     };//struct SunLight
 
     constexpr const ShaderBufferSource SBS_SunLight=
@@ -18,8 +18,8 @@ namespace blinnphong
         "sun",
 
         R"(
-        vec3 direction;
-        vec3 color;
+        vec4 direction;
+        vec4 color;
 )"
     };
 }//namespace blinnphong