diff --git a/example/2dVector/line.cpp b/example/2dVector/line.cpp
index aec62c58..da5f181d 100644
--- a/example/2dVector/line.cpp
+++ b/example/2dVector/line.cpp
@@ -26,15 +26,11 @@ static Vector4f color(1,1,1,1);
 
 struct Line2DConfig
 {
-    float width;
-    float border;
+    float width=2.0f;
+    float border=0.75f;
 };
 
-static Line2DConfig line_2d_config
-{
-    10,
-    2.5
-};
+static Line2DConfig line_2d_config;
 
 class TestApp:public VulkanApplicationFramework
 {
diff --git a/example/Vulkan/DrawText.cpp b/example/Vulkan/DrawText.cpp
index 1865ebb0..3fcfa3c2 100644
--- a/example/Vulkan/DrawText.cpp
+++ b/example/Vulkan/DrawText.cpp
@@ -1,7 +1,4 @@
-// DrawTile
-// 该示例使用TileData，演示多个tile图片在一张纹理上
-
-#include<hgl/type/StringList.h>
+#include<hgl/type/StringList.h>
 #include<hgl/graph/TextureLoader.h>
 #include<hgl/graph/TileData.h>
 #include<hgl/graph/font/TileFont.h>
@@ -142,7 +139,7 @@ private:
         LoadStringFromTextFile(str,OS_TEXT("README.md"));
 
         text_render_obj=db->CreateTextRenderable(material_instance->GetMaterial());
-        
+
         if(tl_engine.SimpleLayout(text_render_obj,tile_font,str)<=0)return(false);
 
         render_instance=db->CreateRenderableInstance(text_render_obj,material_instance,pipeline);
diff --git a/inc/hgl/graph/vulkan/VKDatabase.h b/inc/hgl/graph/vulkan/VKDatabase.h
index aca440cb..9ef60112 100644
--- a/inc/hgl/graph/vulkan/VKDatabase.h
+++ b/inc/hgl/graph/vulkan/VKDatabase.h
@@ -78,13 +78,13 @@ public: // VBO/VAO
 
     #undef SCENE_DB_CREATE_FUNC
 
-    IndexBuffer *CreateIBO(IndexType index_type,uint32_t count,const void *data,SharingMode sm=SharingMode::Exclusive);
-    IndexBuffer *CreateIBO16(uint32_t count,const uint16 *data,SharingMode sm=SharingMode::Exclusive){return CreateIBO(IndexType::U16,count,(void *)data,sm);}
-    IndexBuffer *CreateIBO32(uint32_t count,const uint32 *data,SharingMode sm=SharingMode::Exclusive){return CreateIBO(IndexType::U32,count,(void *)data,sm);}
+    IndexBuffer *CreateIBO(IndexType index_type,uint32_t count,const void *  data,  SharingMode sm=SharingMode::Exclusive);
+    IndexBuffer *CreateIBO16(                   uint32_t count,const uint16 *data,  SharingMode sm=SharingMode::Exclusive){return CreateIBO(IndexType::U16,count,(void *)data,sm);}
+    IndexBuffer *CreateIBO32(                   uint32_t count,const uint32 *data,  SharingMode sm=SharingMode::Exclusive){return CreateIBO(IndexType::U32,count,(void *)data,sm);}
 
     IndexBuffer *CreateIBO(IndexType index_type,uint32_t count,SharingMode sm=SharingMode::Exclusive){return CreateIBO(index_type,count,nullptr,sm);}
-    IndexBuffer *CreateIBO16(uint32_t count,SharingMode sm=SharingMode::Exclusive){return CreateIBO(IndexType::U16,count,nullptr,sm);}
-    IndexBuffer *CreateIBO32(uint32_t count,SharingMode sm=SharingMode::Exclusive){return CreateIBO(IndexType::U32,count,nullptr,sm);}
+    IndexBuffer *CreateIBO16(                   uint32_t count,SharingMode sm=SharingMode::Exclusive){return CreateIBO(IndexType::U16,count,nullptr,sm);}
+    IndexBuffer *CreateIBO32(                   uint32_t count,SharingMode sm=SharingMode::Exclusive){return CreateIBO(IndexType::U32,count,nullptr,sm);}
 
 public: //Material
 
@@ -98,10 +98,10 @@ public: //Material
     MaterialInstance *  CreateMaterialInstance(Material *);
     MaterialInstance *  CreateMaterialInstance(const OSString &);
 
-    Pipeline *          CreatePipeline(Material *,RenderTarget *,PipelineData *,const Prim &prim=Prim::Triangles,const bool prim_restart=false);
-    Pipeline *          CreatePipeline(MaterialInstance *,RenderTarget *,PipelineData *,const Prim &prim=Prim::Triangles,const bool prim_restart=false);
-    Pipeline *          CreatePipeline(Material *,RenderTarget *,const OSString &,const Prim &prim=Prim::Triangles,const bool prim_restart=false);
-    Pipeline *          CreatePipeline(MaterialInstance *,RenderTarget *,const OSString &,const Prim &prim=Prim::Triangles,const bool prim_restart=false);
+    Pipeline *          CreatePipeline(Material *,          RenderTarget *,PipelineData *,  const Prim &prim=Prim::Triangles,const bool prim_restart=false);
+    Pipeline *          CreatePipeline(MaterialInstance *,  RenderTarget *,PipelineData *,  const Prim &prim=Prim::Triangles,const bool prim_restart=false);
+    Pipeline *          CreatePipeline(Material *,          RenderTarget *,const OSString &,const Prim &prim=Prim::Triangles,const bool prim_restart=false);
+    Pipeline *          CreatePipeline(MaterialInstance *,  RenderTarget *,const OSString &,const Prim &prim=Prim::Triangles,const bool prim_restart=false);
 
     Renderable *        CreateRenderable(const uint32_t vertex_count=0);
     TextRenderable *    CreateTextRenderable(Material *);