diff --git a/inc/hgl/graph/shader/ShaderResource.h b/inc/hgl/graph/shader/ShaderResource.h
index d0c0a801..046d3f85 100644
--- a/inc/hgl/graph/shader/ShaderResource.h
+++ b/inc/hgl/graph/shader/ShaderResource.h
@@ -9,7 +9,10 @@ VK_NAMESPACE_BEGIN
     {
         AnsiString  name;
         uint        location;
+
+        uint        base_type;
         uint        component;
+
         VkFormat    format;
     };//struct ShaderStage
 
@@ -61,8 +64,11 @@ VK_NAMESPACE_BEGIN
         ShaderStageList &GetStageInputs(){return stage_inputs;}
         ShaderStageList &GetStageOutputs(){return stage_outputs;}
 
-        const ShaderStage *GetStage(const AnsiString &)const;
-        const int GetStageInputBinding(const AnsiString &)const;
+        const uint          GetStageInputCount()const{return stage_inputs.GetCount();}
+        const uint          GetStageOutputCount()const{return stage_outputs.GetCount();}
+
+        const ShaderStage * GetStageInput       (const AnsiString &)const;
+        const int           GetStageInputBinding(const AnsiString &)const;
 
         const ShaderDescriptorList *GetDescriptorList()const{return descriptor_list;}
               ShaderDescriptorList *GetDescriptorList(VkDescriptorType desc_type)
diff --git a/inc/hgl/graph/vulkan/VKShaderModule.h b/inc/hgl/graph/vulkan/VKShaderModule.h
index 885a1015..d704d330 100644
--- a/inc/hgl/graph/vulkan/VKShaderModule.h
+++ b/inc/hgl/graph/vulkan/VKShaderModule.h
@@ -72,7 +72,8 @@ public:
      * 获取输入流绑定点，需要注意的时，这里获取的binding并非是shader中的binding/location，而是绑定顺序的序列号。对应vkCmdBindVertexBuffer的缓冲区序列号
      */
     const int                                   GetStageInputBinding(const AnsiString &name)const{return shader_resource->GetStageInputBinding(name);}
-    const ShaderStage *                         GetStage(const AnsiString &name)const{return shader_resource->GetStage(name);}
+    const ShaderStage *                         GetStageInput(const AnsiString &name)const{return shader_resource->GetStageInput(name);}
+    const uint                                  GetStageInputCount()const{return shader_resource->GetStageInputCount();}
 
     const uint32_t                              GetAttrCount()const{return attr_count;}
 
diff --git a/src/SceneGraph/shader/ShaderResource.cpp b/src/SceneGraph/shader/ShaderResource.cpp
index 184314df..1f59a7f4 100644
--- a/src/SceneGraph/shader/ShaderResource.cpp
+++ b/src/SceneGraph/shader/ShaderResource.cpp
@@ -27,7 +27,6 @@ VK_NAMESPACE_BEGIN
 
             const uint32 total_bytes=AccessByPointer(data,uint32);
 
-            int basetype;
             int str_len;
 
             ShaderStage *ss;
@@ -37,10 +36,10 @@ VK_NAMESPACE_BEGIN
                 ss=new ShaderStage;
 
                 ss->location=*data++;
-                basetype=*data++;
+                ss->base_type=*data++;
                 ss->component=*data++;
 
-                ss->format=VK_NAMESPACE::GetVulkanFormat(basetype,ss->component);
+                ss->format=VK_NAMESPACE::GetVulkanFormat(ss->base_type,ss->component);
 
                 str_len=*data++;
                 ss->name.SetString((char *)data,str_len);
@@ -85,7 +84,7 @@ VK_NAMESPACE_BEGIN
         delete[] data;
     }
 
-    const ShaderStage *ShaderResource::GetStage(const AnsiString &name) const
+    const ShaderStage *ShaderResource::GetStageInput(const AnsiString &name) const
     {
         const int count=stage_inputs.GetCount();
         ShaderStage **ss=stage_inputs.GetData();