diff --git a/example/Gizmo/GizmoResource.cpp b/example/Gizmo/GizmoResource.cpp
index 4125f5cc..d1d956ba 100644
--- a/example/Gizmo/GizmoResource.cpp
+++ b/example/Gizmo/GizmoResource.cpp
@@ -204,7 +204,7 @@ namespace
             }
 
             {
-                InitGizmoRenderable(GizmoShape::Sphere,CreateSphere(gizmo_triangle.prim_creater,8),gizmo_triangle.pipeline);
+                InitGizmoRenderable(GizmoShape::Sphere,CreateSphere(gizmo_triangle.prim_creater,16),gizmo_triangle.pipeline);
             }
 
             {
@@ -234,7 +234,7 @@ namespace
                 tci.innerRadius=0.975;
                 tci.outerRadius=1.0;
                 tci.numberSlices=64;
-                tci.numberStacks=32;
+                tci.numberStacks=8;
 
                 InitGizmoRenderable(GizmoShape::Torus,CreateTorus(gizmo_triangle.prim_creater,&tci),gizmo_triangle.pipeline);
             }
diff --git a/example/Gizmo/GizmoTest.cpp b/example/Gizmo/GizmoTest.cpp
index 2b973dc2..749e0039 100644
--- a/example/Gizmo/GizmoTest.cpp
+++ b/example/Gizmo/GizmoTest.cpp
@@ -6,6 +6,8 @@ using namespace hgl::graph;
 
 class TestApp:public SceneAppFramework
 {
+    SceneNode root;
+
     StaticMesh *sm_move=nullptr;
     StaticMesh *sm_rotate=nullptr;
 
@@ -36,11 +38,11 @@ public:
         camera_control->SetTarget(Vector3f(0,0,0));
         camera_control->Refresh();
 
-        SceneNode *sn=sm_rotate->GetScene();
+        root.CreateSubNode(sm_move->GetScene());
+        root.CreateSubNode(sm_rotate->GetScene());
 
-        sn->RefreshMatrix();
-
-        render_list->Expend(sn);
+        root.RefreshMatrix();
+        render_list->Expend(&root);
 
         return(true);
     }
@@ -53,5 +55,5 @@ public:
 
 int main(int,char **)
 {
-    return RunApp<TestApp>(1280,720);
+    return RunApp<TestApp>(1024,1024);
 }