diff --git a/example/Vulkan/VulkanAppFramework.h b/example/Vulkan/VulkanAppFramework.h
index 486fb987..4677b62c 100644
--- a/example/Vulkan/VulkanAppFramework.h
+++ b/example/Vulkan/VulkanAppFramework.h
@@ -18,7 +18,6 @@
 #include<hgl/graph/vulkan/VKMaterial.h>
 #include<hgl/graph/vulkan/VKMaterialInstance.h>
 #include<hgl/graph/vulkan/VKRenderTarget.h>
-#include<hgl/graph/shader/glsl2spv.h>
 #include<hgl/graph/SceneDB.h>
 #include<hgl/graph/RenderList.h>
 
diff --git a/example/Vulkan/first_triangle.cpp b/example/Vulkan/first_triangle.cpp
index b3005f73..076ba59d 100644
--- a/example/Vulkan/first_triangle.cpp
+++ b/example/Vulkan/first_triangle.cpp
@@ -62,8 +62,8 @@ private:
 
     bool InitMaterial()
     {
-        material=shader_manage->CreateMaterial(OS_TEXT("res/shader/FlatColor.vert.spv"),
-                                               OS_TEXT("res/shader/VertexColor.frag.spv"));
+        material=shader_manage->CreateMaterial(OS_TEXT("res/shader/FlatColor.vert"),
+                                               OS_TEXT("res/shader/VertexColor.frag"));
         if(!material)
             return(false);
 
@@ -91,13 +91,15 @@ private:
         return(true);
     }
     
-    void InitVBO()
+    bool InitVBO()
     {
         vertex_buffer   =device->CreateVBO(FMT_RG32F,  VERTEX_COUNT,vertex_data);
         color_buffer    =device->CreateVBO(FMT_RGB32F, VERTEX_COUNT,color_data);
 
-        render_obj->Set("Vertex",   vertex_buffer);
-        render_obj->Set("Color",    color_buffer);
+        if(!render_obj->Set("Vertex",   vertex_buffer))return(false);
+        if(!render_obj->Set("Color",    color_buffer))return(false);
+
+        return(true);
     }
 
     bool InitPipeline()
@@ -138,7 +140,8 @@ public:
         if(!InitUBO())
             return(false);
 
-        InitVBO();
+        if(!InitVBO())
+            return(false);
 
         if(!InitPipeline())
             return(false);
diff --git a/res b/res
index ee094e2e..c8c306e5 160000
--- a/res
+++ b/res
@@ -1 +1 @@
-Subproject commit ee094e2efb1616014d18388eae4440fd740d07d1
+Subproject commit c8c306e5a7cd3e975af4eb718f20ea16653ca4d3
diff --git a/src/RenderDevice/Vulkan/VKShaderModule.cpp b/src/RenderDevice/Vulkan/VKShaderModule.cpp
index a70219f1..6c51d3e2 100644
--- a/src/RenderDevice/Vulkan/VKShaderModule.cpp
+++ b/src/RenderDevice/Vulkan/VKShaderModule.cpp
@@ -30,12 +30,11 @@ VertexShaderModule::VertexShaderModule(VkDevice dev,int id,VkPipelineShaderStage
     VkVertexInputBindingDescription *bind=binding_list;
     VkVertexInputAttributeDescription *attr=attribute_list;
 
-    uint32_t binding_index=0;    
     ShaderStage **si=stage_inputs.GetData();
 
     for(uint i=0;i<attr_count;i++)
     {
-        bind->binding   =binding_index;                 //binding对应在vkCmdBindVertexBuffer中设置的缓冲区的序列号，所以这个数字必须从0开始，而且紧密排列。
+        bind->binding   =i;                             //binding对应在vkCmdBindVertexBuffer中设置的缓冲区的序列号，所以这个数字必须从0开始，而且紧密排列。
                                                         //在VertexInput类中，buf_list需要严格按照本此binding为序列号排列
         bind->stride    =GetStrideByFormat((*si)->format);
         bind->inputRate =VK_VERTEX_INPUT_RATE_VERTEX;
@@ -45,14 +44,13 @@ VertexShaderModule::VertexShaderModule(VkDevice dev,int id,VkPipelineShaderStage
         //比如在一个流中传递{pos,color}这样两个数据，就需要两个attrib
         //但在我们的设计中，仅支持一个流传递一个attrib
 
-        attr->binding   =binding_index;
+        attr->binding   =i;
         attr->location  =(*si)->location;               //此值对应shader中的layout(location=
         attr->format    =(*si)->format;
         attr->offset    =0;
 
         ++attr;
         ++bind;
-        ++binding_index;
 
         ++si;
     }
diff --git a/src/SceneGraph/shader/ShaderResource.cpp b/src/SceneGraph/shader/ShaderResource.cpp
index 8e7a8a10..cc272c99 100644
--- a/src/SceneGraph/shader/ShaderResource.cpp
+++ b/src/SceneGraph/shader/ShaderResource.cpp
@@ -94,7 +94,7 @@ VK_NAMESPACE_BEGIN
         for(int i=0;i<count;i++)
         {
             if(name==(*ss)->name)
-                return (*ss)->location;
+                return i;
 
             ++ss;
         }
@@ -122,7 +122,7 @@ VK_NAMESPACE_BEGIN
     ShaderResource *LoadShaderResoruce(const OSString &filename)
     {
         int64 filesize;
-        uint8 *origin_filedata=(uint8 *)filesystem::LoadFileToMemory(filename,filesize);
+        uint8 *origin_filedata=(uint8 *)filesystem::LoadFileToMemory(filename+OS_TEXT(".shader"),filesize);
 
         if(!origin_filedata)return(nullptr);
 
@@ -159,10 +159,6 @@ VK_NAMESPACE_BEGIN
             desc_type=AccessByPointer(filedata,uint32);
 
             filedata=LoadShaderDescriptor(sr->GetDescriptorList((VkDescriptorType)desc_type),filedata);
-            {
-                delete sr;
-                return(nullptr);
-            }
         }
 
         return sr;