diff --git a/example/Vulkan/first_triangle.cpp b/example/Vulkan/first_triangle.cpp
index a5344e5f..0d4edc8b 100644
--- a/example/Vulkan/first_triangle.cpp
+++ b/example/Vulkan/first_triangle.cpp
@@ -98,7 +98,7 @@ private:
 
     bool InitAutoMaterial()
     {
-        auto *mci=mtl::CreateVertexColor2DNDC();
+        MaterialCreateInfo *mci=mtl::CreateVertexColor2DNDC();
 
         material_instance=db->CreateMaterialInstance(mci,&vil_config);
 
diff --git a/inc/hgl/graph/VKMaterial.h b/inc/hgl/graph/VKMaterial.h
index 65f489f5..35c16624 100644
--- a/inc/hgl/graph/VKMaterial.h
+++ b/inc/hgl/graph/VKMaterial.h
@@ -59,7 +59,7 @@ public:
 
     const   ShaderStageCreateInfoList &         GetStageList            ()const{return data->shader_stage_list;}
 
-    const   MaterialDescriptorManager *            GetDescriptorSets       ()const{return data->mds;}
+    const   MaterialDescriptorManager *         GetDescriptorSets       ()const{return data->mds;}
     const   VkPipelineLayout                    GetPipelineLayout       ()const;
     const   PipelineLayoutData *                GetPipelineLayoutData   ()const{return data->pipeline_layout_data;}
 
diff --git a/inc/hgl/graph/VKRenderResource.h b/inc/hgl/graph/VKRenderResource.h
index 137cda47..ea2c7bba 100644
--- a/inc/hgl/graph/VKRenderResource.h
+++ b/inc/hgl/graph/VKRenderResource.h
@@ -47,6 +47,8 @@ class RenderResource
     IDResManage<TextureID,              Texture>            rm_textures;                ///<纹理合集
     IDResManage<RenderableID,           Renderable>         rm_renderables;             ///<渲染实例集合集
 
+    Map<AnsiString,DeviceBuffer *> global_buffer_map;                                      ///<全局UBO
+
 public:
 
     RenderResource(GPUDevice *dev):device(dev){}
@@ -63,6 +65,14 @@ public: //Add
     TextureID               Add(Texture *           t   ){return rm_textures.Add(t);}
     RenderableID            Add(Renderable *        r   ){return rm_renderables.Add(r);}
 
+public: //全局属性
+
+    void SetGlobal(const AnsiString &name,DeviceBuffer *buf);
+
+    DeviceBuffer *GetGlobal(const AnsiString &name);
+
+    void Free(DeviceBuffer *);
+
 public: // VBO/VAO
 
     VBO *CreateVBO(VkFormat format,uint32_t count,const void *data,SharingMode sm=SharingMode::Exclusive);
diff --git a/src/SceneGraph/Vulkan/VKRenderResource.cpp b/src/SceneGraph/Vulkan/VKRenderResource.cpp
index 6319d05c..2342fc92 100644
--- a/src/SceneGraph/Vulkan/VKRenderResource.cpp
+++ b/src/SceneGraph/Vulkan/VKRenderResource.cpp
@@ -5,6 +5,33 @@
 #include<hgl/graph/VKVertexAttribBuffer.h>
 
 VK_NAMESPACE_BEGIN
+void RenderResource::SetGlobal(const AnsiString &name,DeviceBuffer *buf)
+{
+    if(!buf)return;
+    if(name.IsEmpty())return;
+
+    global_buffer_map.Add(name,buf);
+}
+
+DeviceBuffer *RenderResource::GetGlobal(const AnsiString &name)
+{
+    if(name.IsEmpty())return(nullptr);
+
+    DeviceBuffer *buf;
+
+    if(global_buffer_map.Get(name,buf))
+        return buf;
+    else
+        return nullptr;
+}
+
+void RenderResource::Free(DeviceBuffer *buf)
+{
+    rm_buffers.Release(buf);
+
+    global_buffer_map.DeleteByValue(buf);
+}
+
 VBO *RenderResource::CreateVBO(VkFormat format,uint32_t count,const void *data,SharingMode sharing_mode)
 {
     VBO *vb=device->CreateVBO(format,count,data,sharing_mode);