diff --git a/example/Vulkan/Atomsphere.cpp b/example/Vulkan/Atomsphere.cpp
index 43f504ea..0dc31b33 100644
--- a/example/Vulkan/Atomsphere.cpp
+++ b/example/Vulkan/Atomsphere.cpp
@@ -87,7 +87,7 @@ private:
 
     bool InitPipeline()
     {
-        SharedPtr<vulkan::PipelineCreater> 
+        AutoDelete<vulkan::PipelineCreater> 
         pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent());
         pipeline_creater->SetDepthTest(true);
         pipeline_creater->SetDepthWrite(true);
diff --git a/example/Vulkan/Deferred.cpp b/example/Vulkan/Deferred.cpp
index edf4ec12..664bc039 100644
--- a/example/Vulkan/Deferred.cpp
+++ b/example/Vulkan/Deferred.cpp
@@ -142,7 +142,7 @@ private:
 
     bool InitGBufferPipeline(SubpassParam *sp)
     {
-        SharedPtr<vulkan::PipelineCreater> pipeline_creater=new vulkan::PipelineCreater(device,sp->material,gbuffer.renderpass,device->GetExtent());
+        AutoDelete<vulkan::PipelineCreater> pipeline_creater=new vulkan::PipelineCreater(device,sp->material,gbuffer.renderpass,device->GetExtent());
         pipeline_creater->SetDepthTest(true);
         pipeline_creater->SetDepthWrite(true);
         pipeline_creater->SetCullMode(VK_CULL_MODE_BACK_BIT);
@@ -159,7 +159,7 @@ private:
 
     bool InitCompositionPipeline(SubpassParam *sp)
     {
-        SharedPtr<vulkan::PipelineCreater> pipeline_creater=new vulkan::PipelineCreater(device,sp->material,device->GetMainRenderPass(),device->GetExtent());
+        AutoDelete<vulkan::PipelineCreater> pipeline_creater=new vulkan::PipelineCreater(device,sp->material,device->GetMainRenderPass(),device->GetExtent());
         pipeline_creater->SetDepthTest(false);
         pipeline_creater->SetDepthWrite(false);
         pipeline_creater->SetCullMode(VK_CULL_MODE_NONE);
diff --git a/example/Vulkan/Geometry2D.cpp b/example/Vulkan/Geometry2D.cpp
index 3c0d7dad..6a5e18f2 100644
--- a/example/Vulkan/Geometry2D.cpp
+++ b/example/Vulkan/Geometry2D.cpp
@@ -114,7 +114,7 @@ private:
 
     bool InitPipeline()
     {
-        SharedPtr<vulkan::PipelineCreater> 
+        AutoDelete<vulkan::PipelineCreater> 
         pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent());
         pipeline_creater->SetDepthTest(false);
         pipeline_creater->SetDepthWrite(false);
diff --git a/example/Vulkan/Geometry3D.cpp b/example/Vulkan/Geometry3D.cpp
index e6ea5930..6221466f 100644
--- a/example/Vulkan/Geometry3D.cpp
+++ b/example/Vulkan/Geometry3D.cpp
@@ -84,7 +84,7 @@ private:
 
     bool InitPipeline()
     {
-        SharedPtr<vulkan::PipelineCreater> 
+        AutoDelete<vulkan::PipelineCreater> 
         pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent());
         pipeline_creater->SetDepthTest(true);
         pipeline_creater->SetDepthWrite(true);
diff --git a/example/Vulkan/InlineGeometryScene.cpp b/example/Vulkan/InlineGeometryScene.cpp
index 5826d3b8..782277fc 100644
--- a/example/Vulkan/InlineGeometryScene.cpp
+++ b/example/Vulkan/InlineGeometryScene.cpp
@@ -137,7 +137,7 @@ private:
 
     bool InitPipeline()
     {
-        SharedPtr<vulkan::PipelineCreater> 
+        AutoDelete<vulkan::PipelineCreater> 
         pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent());
         pipeline_creater->SetDepthTest(true);
         pipeline_creater->SetDepthWrite(true);
diff --git a/example/Vulkan/LoadModel.cpp b/example/Vulkan/LoadModel.cpp
index 5fe2cf17..eb9c7978 100644
--- a/example/Vulkan/LoadModel.cpp
+++ b/example/Vulkan/LoadModel.cpp
@@ -162,7 +162,7 @@ private:
 
     bool InitPipeline()
     {
-        SharedPtr<vulkan::PipelineCreater> 
+        AutoDelete<vulkan::PipelineCreater> 
         pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent());
         pipeline_creater->SetDepthTest(false);
         pipeline_creater->SetDepthWrite(false);
diff --git a/example/Vulkan/SceneTree.cpp b/example/Vulkan/SceneTree.cpp
index c504f7a2..53ee88bd 100644
--- a/example/Vulkan/SceneTree.cpp
+++ b/example/Vulkan/SceneTree.cpp
@@ -74,7 +74,7 @@ private:
 
     bool InitPipeline()
     {   
-        SharedPtr<vulkan::PipelineCreater> 
+        AutoDelete<vulkan::PipelineCreater> 
         pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent());
         pipeline_creater->SetDepthTest(true);
         pipeline_creater->SetDepthWrite(true);
diff --git a/example/Vulkan/indices_rect.cpp b/example/Vulkan/indices_rect.cpp
index df04b67a..3a0b97c3 100644
--- a/example/Vulkan/indices_rect.cpp
+++ b/example/Vulkan/indices_rect.cpp
@@ -103,7 +103,7 @@ private:
 
     bool InitPipeline()
     {
-        SharedPtr<vulkan::PipelineCreater> 
+        AutoDelete<vulkan::PipelineCreater> 
         pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent());
         pipeline_creater->SetDepthTest(false);
         pipeline_creater->SetDepthWrite(false);
diff --git a/example/Vulkan/main.cpp b/example/Vulkan/main.cpp
index 188f547f..a4961e6b 100644
--- a/example/Vulkan/main.cpp
+++ b/example/Vulkan/main.cpp
@@ -107,7 +107,7 @@ private:
         constexpr os_char PIPELINE_FILENAME[]=OS_TEXT("2DSolid.pipeline");
 
         {
-            SharedPtr<vulkan::PipelineCreater> 
+            AutoDelete<vulkan::PipelineCreater> 
             pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent());
             pipeline_creater->SetDepthTest(false);
             pipeline_creater->SetDepthWrite(false);
@@ -121,7 +121,7 @@ private:
             void *data;
             uint size=filesystem::LoadFileToMemory(PIPELINE_FILENAME,(void **)&data);
 
-            SharedPtr<vulkan::PipelineCreater> pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent(),(uchar *)data,size);
+            AutoDelete<vulkan::PipelineCreater> pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent(),(uchar *)data,size);
 
             pipeline=pipeline_creater->Create();
         }
diff --git a/example/Vulkan/texture_rect.cpp b/example/Vulkan/texture_rect.cpp
index 3e9ad671..c8bcd2ea 100644
--- a/example/Vulkan/texture_rect.cpp
+++ b/example/Vulkan/texture_rect.cpp
@@ -148,7 +148,7 @@ private:
 
     bool InitPipeline()
     {
-        SharedPtr<vulkan::PipelineCreater> 
+        AutoDelete<vulkan::PipelineCreater> 
         pipeline_creater=new vulkan::PipelineCreater(device,material,device->GetMainRenderPass(),device->GetExtent());
         pipeline_creater->SetDepthTest(false);
         pipeline_creater->SetDepthWrite(false);
diff --git a/inc/hgl/type/Smart.h b/inc/hgl/type/Smart.h
index dcdec534..85d3ee9e 100644
--- a/inc/hgl/type/Smart.h
+++ b/inc/hgl/type/Smart.h
@@ -480,6 +480,9 @@ namespace hgl
 
         T *operator -> (){return obj;}
 
+        operator T *(){return obj;}
+        operator const T *()const{return obj;}
+
         void Clear()
         {
             obj=nullptr;