diff --git a/inc/hgl/graph/VKDevice.h b/inc/hgl/graph/VKDevice.h
index 65dac1f6..fa23e7d4 100644
--- a/inc/hgl/graph/VKDevice.h
+++ b/inc/hgl/graph/VKDevice.h
@@ -96,6 +96,7 @@ public: //Buffer相关
     VAB *           CreateVAB   (VkFormat format, uint32_t count,const void *data,    SharingMode sm=SharingMode::Exclusive);
     VAB *           CreateVAB   (VkFormat format, uint32_t count,                     SharingMode sm=SharingMode::Exclusive){return CreateVAB(format,count,nullptr,sm);}
 
+    const bool      IsSupport       (const IndexType &type)const; ///<检测是否支持某种索引类型
     const IndexType ChooseIndexType (const VkDeviceSize &vertex_count)const;                    ///<求一个合适的索引类型
     const bool      CheckIndexType  (const IndexType,const VkDeviceSize &vertex_count)const;    ///<检测一个索引类型是否合适
 
diff --git a/src/SceneGraph/Vulkan/VKDeviceBuffer.cpp b/src/SceneGraph/Vulkan/VKDeviceBuffer.cpp
index 5b5cfade..377bc4f2 100644
--- a/src/SceneGraph/Vulkan/VKDeviceBuffer.cpp
+++ b/src/SceneGraph/Vulkan/VKDeviceBuffer.cpp
@@ -77,6 +77,14 @@ VAB *VulkanDevice::CreateVAB(VkFormat format,uint32_t count,const void *data,Sha
     return(new VertexAttribBuffer(attr->device,buf,format,stride,count));
 }
 
+const bool VulkanDevice::IsSupport(const IndexType &type)const
+{
+    if(type==IndexType::U16)return(true);
+    if(type==IndexType::U8 &&attr->uint8_index_type)return(true);
+    if(type==IndexType::U32&&attr->uint32_index_type)return(true);
+    return(false);
+}
+
 const IndexType VulkanDevice::ChooseIndexType(const VkDeviceSize &vertex_count)const
 {
     if(vertex_count<=0)return(IndexType::ERR);