diff --git a/example/Vulkan/Geometry2D.cpp b/example/Vulkan/Geometry2D.cpp
index b9acdedc..419eee85 100644
--- a/example/Vulkan/Geometry2D.cpp
+++ b/example/Vulkan/Geometry2D.cpp
@@ -147,7 +147,6 @@ private:
 
     bool InitScene()
     {
-
         render_root=new SceneNode();
         render_list=new RenderList();
 
diff --git a/src/SceneGraph/RenderList.cpp b/src/SceneGraph/RenderList.cpp
index f0c6a006..acc4aec7 100644
--- a/src/SceneGraph/RenderList.cpp
+++ b/src/SceneGraph/RenderList.cpp
@@ -57,16 +57,14 @@ namespace hgl
 
                 last_pipeline=ri->GetPipeline();
 
-                cmd_buf->Bind(ri->GetDescriptorSets());
+                last_desc_sets=nullptr;
             }
-            else
-            {
-                if(last_desc_sets!=ri->GetDescriptorSets())
-                {
-                    cmd_buf->Bind(ri->GetDescriptorSets());
 
-                    last_desc_sets=ri->GetDescriptorSets();
-                }
+            if(last_desc_sets!=ri->GetDescriptorSets())
+            {
+                cmd_buf->Bind(ri->GetDescriptorSets());
+
+                last_desc_sets=ri->GetDescriptorSets();
             }
 
             //更新fin_mvp