diff --git a/CMSceneGraph b/CMSceneGraph
index ffcb2f8f..f8661597 160000
--- a/CMSceneGraph
+++ b/CMSceneGraph
@@ -1 +1 @@
-Subproject commit ffcb2f8fdc46a5dffc04692e4ff9fdcc1512cf3a
+Subproject commit f866159787c98e29029c2b4dba3de8f6455473da
diff --git a/inc/hgl/graph/VKBuffer.h b/inc/hgl/graph/VKBuffer.h
index 0a1d6d2d..0c72e660 100644
--- a/inc/hgl/graph/VKBuffer.h
+++ b/inc/hgl/graph/VKBuffer.h
@@ -2,6 +2,7 @@
 
 #include<hgl/graph/VK.h>
 #include<hgl/graph/VKMemory.h>
+#include<hgl/graph/mtl/ShaderBufferSource.h>
 
 VK_NAMESPACE_BEGIN
 struct DeviceBufferData
@@ -53,6 +54,8 @@ public:
 
 template<typename T> class DeviceBufferMap
 {
+protected:
+
     DeviceBuffer *dev_buf;
     T data_map;
 
@@ -86,4 +89,30 @@ public:
     }
 };//template<typename T> class DeviceBufferMap
 
+template<typename T> class UBOInstance:public DeviceBufferMap<T>
+{
+    DescriptorSetType desc_set_type;
+    AnsiString ubo_name;
+
+public:
+
+    const DescriptorSetType &   set_type()const{return desc_set_type;}
+    const AnsiString &          name    ()const{return ubo_name;}
+    DeviceBuffer *              ubo     ()const{return this->dev_buf;}
+
+public:
+
+    UBOInstance(DeviceBuffer *buf,const DescriptorSetType dst,const AnsiString &n):DeviceBufferMap<T>(buf)
+    {
+        desc_set_type=dst;
+        ubo_name=n;
+    }
+
+    UBOInstance(DeviceBuffer *buf,const ShaderBufferDesc *desc):DeviceBufferMap<T>(buf)
+    {
+        desc_set_type=desc->set_type;
+        ubo_name=desc->name;
+    }
+};//template<typename T> class UBOInstance:public DeviceBufferMap<T>
+
 VK_NAMESPACE_END
diff --git a/inc/hgl/graph/VKDescriptorBindingManage.h b/inc/hgl/graph/VKDescriptorBindingManage.h
index a70b7c43..92279fa4 100644
--- a/inc/hgl/graph/VKDescriptorBindingManage.h
+++ b/inc/hgl/graph/VKDescriptorBindingManage.h
@@ -2,7 +2,7 @@
 
 #include<hgl/type/Map.h>
 #include<hgl/type/String.h>
-#include<hgl/graph/VK.h>
+#include<hgl/graph/VKBuffer.h>
 
 VK_NAMESPACE_BEGIN
 
@@ -48,7 +48,22 @@ public:
         if(name.IsEmpty()||!dbm)
             return(false);
 
-        return AddUBO(name,dbm->GetDeviceBuffer());
+        return ubo_map.Add(name,dbm->GetDeviceBuffer());
+    }
+
+    template<typename T>
+    bool AddUBO(const UBOInstance<T> *ubo_instance)
+    {
+        if(!ubo_instance)
+            return(false);
+
+        if(ubo_instance->set_type()!=set_type)
+            return(false);
+
+        if(ubo_instance->name().IsEmpty())
+            return(false);
+
+        return ubo_map.Add(ubo_instance->name(),ubo_instance->ubo());
     }
 
     DeviceBuffer *GetUBO(const AnsiString &name)
diff --git a/inc/hgl/graph/VKDevice.h b/inc/hgl/graph/VKDevice.h
index 88b2ad82..65dac1f6 100644
--- a/inc/hgl/graph/VKDevice.h
+++ b/inc/hgl/graph/VKDevice.h
@@ -123,6 +123,18 @@ public: //Buffer相关
     {   \
         DeviceBuffer *buf=Create##LargeName(T::GetSize());    \
         return(buf?new T(buf):nullptr);  \
+    } \
+\
+    template<typename T> T *Create##LargeName(const ShaderBufferDesc *desc)  \
+    {   \
+        DeviceBuffer *buf=Create##LargeName(T::GetSize());    \
+        return(buf?new T(buf,desc):nullptr);  \
+    }   \
+\
+    template<typename T> T *Create##LargeName(const DescriptorSetType &set_type,const AnsiString &name)  \
+    {   \
+        DeviceBuffer *buf=Create##LargeName(T::GetSize());    \
+        return(buf?new T(buf,set_type,name):nullptr);  \
     }
 
     CREATE_BUFFER_OBJECT(UBO,UNIFORM)
diff --git a/inc/hgl/graph/VKRenderTarget.h b/inc/hgl/graph/VKRenderTarget.h
index 7356a4aa..5b849d0c 100644
--- a/inc/hgl/graph/VKRenderTarget.h
+++ b/inc/hgl/graph/VKRenderTarget.h
@@ -15,7 +15,7 @@ VK_NAMESPACE_BEGIN
 
 class RenderFramework;
 
-using UBOViewportInfo=DeviceBufferMap<graph::ViewportInfo>;
+using UBOViewportInfo=UBOInstance<graph::ViewportInfo>;
 
 class IRenderTarget
 {
diff --git a/src/SceneGraph/CameraControl.cpp b/src/SceneGraph/CameraControl.cpp
index 225a8fd7..dbf0de5f 100644
--- a/src/SceneGraph/CameraControl.cpp
+++ b/src/SceneGraph/CameraControl.cpp
@@ -13,7 +13,7 @@ namespace hgl::graph
         camera_info=ubo_camera_info->data();
 
         desc_binding_camera=new DescriptorBinding(DescriptorSetType::Camera);
-        desc_binding_camera->AddUBO(mtl::SBS_CameraInfo.name,ubo_camera_info);
+        desc_binding_camera->AddUBO(ubo_camera_info);
     }
 
     CameraControl::~CameraControl()
diff --git a/src/SceneGraph/RenderFramework.cpp b/src/SceneGraph/RenderFramework.cpp
index 8fa2c0a0..78fbd500 100644
--- a/src/SceneGraph/RenderFramework.cpp
+++ b/src/SceneGraph/RenderFramework.cpp
@@ -13,6 +13,7 @@
 #include<hgl/graph/Camera.h>
 #include<hgl/graph/FirstPersonCameraControl.h>
 #include<hgl/graph/Renderer.h>
+#include<hgl/graph/mtl/UBOCommon.h>
 #include<hgl/log/Logger.h>
 #include<hgl/Time.h>
 
@@ -146,7 +147,7 @@ void RenderFramework::CreateDefaultRenderer()
 
     if(!default_camera_control)
     {
-        auto ubo_camera_info=device->CreateUBO<UBOCameraInfo>();
+        auto ubo_camera_info=device->CreateUBO<UBOCameraInfo>(&mtl::SBS_CameraInfo);
 
         default_camera_control=new FirstPersonCameraControl(rt->GetViewportInfo(),default_camera,ubo_camera_info);
     }
diff --git a/src/SceneGraph/Vulkan/VKRenderTarget.cpp b/src/SceneGraph/Vulkan/VKRenderTarget.cpp
index c4502e54..eb12a8c2 100644
--- a/src/SceneGraph/Vulkan/VKRenderTarget.cpp
+++ b/src/SceneGraph/Vulkan/VKRenderTarget.cpp
@@ -13,9 +13,9 @@ IRenderTarget::IRenderTarget(RenderFramework *rf,const VkExtent2D &ext):desc_bin
 {
     render_framework=rf;
 
-    ubo_vp_info=GetDevice()->CreateUBO<UBOViewportInfo>();
+    ubo_vp_info=GetDevice()->CreateUBO<UBOViewportInfo>(&mtl::SBS_ViewportInfo);
 
-    desc_binding.AddUBO(mtl::SBS_ViewportInfo.name,ubo_vp_info);
+    desc_binding.AddUBO(ubo_vp_info);
 
     OnResize(ext);
 }