diff --git a/example/Basic/auto_merge_material_instance.cpp b/example/Basic/auto_merge_material_instance.cpp
index 265a08ef..f632a459 100644
--- a/example/Basic/auto_merge_material_instance.cpp
+++ b/example/Basic/auto_merge_material_instance.cpp
@@ -95,7 +95,7 @@ private:
             if(!render_obj[i].r)
                 return(false);
 
-            render_root.CreateSubNode(rotate(deg2rad(360/DRAW_OBJECT_COUNT*i),Vector3f(0,0,1)),render_obj[i].r);
+            render_root.CreateSubNode(rotate(deg2rad(double(360/DRAW_OBJECT_COUNT*i)),Vector3f(0,0,1)),render_obj[i].r);
         }
 
         render_root.RefreshMatrix();
diff --git a/src/SceneGraph/RenderAssignBuffer.cpp b/src/SceneGraph/RenderAssignBuffer.cpp
index 34b59fef..16b039a7 100644
--- a/src/SceneGraph/RenderAssignBuffer.cpp
+++ b/src/SceneGraph/RenderAssignBuffer.cpp
@@ -46,18 +46,18 @@ namespace
 {
     constexpr const char *l2w_buffer_name[]=
     {
-        "UBO:Buffer:LocalToWorld:0",
-        "UBO:Buffer:LocalToWorld:1",
-        "UBO:Buffer:LocalToWorld:2",
-        "UBO:Buffer:LocalToWorld:3"
+        "VBO:Buffer:LocalToWorld:0",
+        "VBO:Buffer:LocalToWorld:1",
+        "VBO:Buffer:LocalToWorld:2",
+        "VBO:Buffer:LocalToWorld:3"
     };
 
     constexpr const char *l2w_memory_name[]=
     {
-        "UBO:Memory:LocalToWorld:0",
-        "UBO:Memory:LocalToWorld:1",
-        "UBO:Memory:LocalToWorld:2",
-        "UBO:Memory:LocalToWorld:3"
+        "VBO:Memory:LocalToWorld:0",
+        "VBO:Memory:LocalToWorld:1",
+        "VBO:Memory:LocalToWorld:2",
+        "VBO:Memory:LocalToWorld:3"
     };
 }
 #endif//_DEBUG