diff --git a/CMSceneGraph b/CMSceneGraph
index 4d5558b3..f610497a 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit 4d5558b3d0240caa2076f59aab1e023147546bf9
+Subproject commit f610497a6d403001303e15f474f9fa2a5bc0cc23
diff --git a/ShaderLibrary/Std3D/BlinnPhong/SunLightPureColor.mtl b/ShaderLibrary/Std3D/BlinnPhong/SunLightPureColor.mtl
index 7feade05..06cbf761 100644
--- a/ShaderLibrary/Std3D/BlinnPhong/SunLightPureColor.mtl
+++ b/ShaderLibrary/Std3D/BlinnPhong/SunLightPureColor.mtl
@@ -59,25 +59,21 @@ Output
 
 Code
 {
+    #define HAVE_SPECULAR
+
     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.xyz);
-
         //点乘法线和光照
         float intensity=0.5*max(dot(Input.Normal,sun.direction.xyz),0.0)+0.5;
 
         //直接光颜色
         vec3 direct_color           =intensity*sun.color.rgb*mi.Color.rgb;
 
-//    #ifndef HAVE_SPECULAR
-//        FragColor=vec4(direct_color,1.0);
-//     #else
+    #ifndef HAVE_SPECULAR
+        FragColor=vec4(direct_color,1.0);
+     #else
 
         vec3 spec_color=vec3(0.0);
 
@@ -91,6 +87,6 @@ Code
         }
         
         FragColor=vec4(direct_color+spec_color,1.0);
-//     #endif//HAVE_SPECULAR
+     #endif//HAVE_SPECULAR
     }
 }
diff --git a/example/Gizmo/MetricCellsGrid.cpp b/example/Gizmo/MetricCellsGrid.cpp
index ef76a8e6..4987a065 100644
--- a/example/Gizmo/MetricCellsGrid.cpp
+++ b/example/Gizmo/MetricCellsGrid.cpp
@@ -104,7 +104,7 @@ private:
     {
         Add(material_instance,scale(PLANE_SIZE,PLANE_SIZE,1));
 
-        camera->pos=Vector3f(PLANE_SIZE/2,PLANE_SIZE/2,PLANE_SIZE/2);
+        camera->pos=Vector3f(PLANE_SIZE/2,PLANE_SIZE/4,PLANE_SIZE/2);
         camera_control->SetTarget(Vector3f(0,0,0));
         camera_control->Refresh();
 
diff --git a/example/LightBasic/BlinnPhongDirectionLight.cpp b/example/LightBasic/BlinnPhongDirectionLight.cpp
index ae3d23b0..b55a622d 100644
--- a/example/LightBasic/BlinnPhongDirectionLight.cpp
+++ b/example/LightBasic/BlinnPhongDirectionLight.cpp
@@ -122,18 +122,18 @@ private:
     {
         using namespace inline_geometry;
 
-        ////Plane Grid
-        //{
-        //    struct PlaneGridCreateInfo pgci;
+        //Plane Grid
+        {
+            struct PlaneGridCreateInfo pgci;
 
-        //    pgci.grid_size.Set(32,32);
-        //    pgci.sub_count.Set(8,8);
+            pgci.grid_size.Set(32,32);
+            pgci.sub_count.Set(8,8);
 
-        //    pgci.lum=0.5;
-        //    pgci.sub_lum=0.75;
+            pgci.lum=0.5;
+            pgci.sub_lum=0.75;
 
-        //    prim_plane_grid=CreatePlaneGrid(db,mtl_vertex_lum->GetDefaultVIL(),&pgci);
-        //}
+            prim_plane_grid=CreatePlaneGrid(db,mtl_vertex_lum->GetDefaultVIL(),&pgci);
+        }
 
         //Sphere
         {
@@ -145,7 +145,7 @@ private:
 
     bool InitScene()
     {
-        //Add(prim_plane_grid,mi_plane_grid,p_line);
+        Add(prim_plane_grid,mi_plane_grid,p_line);
         Add(prim_sphere,mi_sphere,p_sphere);
 
         camera->pos=Vector3f(32,32,32);
@@ -165,8 +165,8 @@ public:
         if(!SceneAppFramework::Init(w,h))
             return(false);
 
-        //if(!InitVertexLumMP())
-        //    return(false);
+        if(!InitVertexLumMP())
+            return(false);
         
         if(!CreateBlinnPhongUBO())
             return(false);