diff --git a/example/MaterialCreaterTest.cpp b/example/MaterialCreaterTest.cpp
index 29ced328..8a569363 100644
--- a/example/MaterialCreaterTest.cpp
+++ b/example/MaterialCreaterTest.cpp
@@ -6,7 +6,7 @@ using namespace hgl::shadergen;
 
 bool PureColor2DMaterial()
 {
-    MaterialCreater mc(1);                                  //一个新材质，1个RT输出，默认使用Vertex/Fragment shader
+    MaterialCreater mc(1,false);                            //一个新材质，1个RT输出，默认使用Vertex/Fragment shader
 
     //vertex部分
     {
@@ -14,7 +14,7 @@ bool PureColor2DMaterial()
 
         //以下代码会被展开为
         /*
-            layout(location=?) in vec3 Position;             //位置属性
+            layout(location=?) in vec3 Position;            //位置属性
         */
         vsc->AddInput("vec2","Position");                   //添加一个vec3类型的position属性输入
 
@@ -61,12 +61,14 @@ void main()
 })");
     }
 
-    mc.CompileShader();
+    mc.CreateShader();
 
     return(false);
 }
 
-int MaterialCreaterTest()
+int main()
 {
+    PureColor2DMaterial();
+
     return 0;
 }
diff --git a/inc/hgl/shadergen/MaterialCreater.h b/inc/hgl/shadergen/MaterialCreater.h
index 014b614c..4834774b 100644
--- a/inc/hgl/shadergen/MaterialCreater.h
+++ b/inc/hgl/shadergen/MaterialCreater.h
@@ -50,6 +50,6 @@ public:
     bool AddUBO(const VkShaderStageFlagBits flag_bits,const DescriptorSetType set_type,const AnsiString &type_name,const AnsiString &name);
     bool AddSampler(const VkShaderStageFlagBits flag_bits,const DescriptorSetType set_type,const SamplerType &st,const AnsiString &name);
 
-    bool CompileShader();
+    bool CreateShader();
 };//class MaterialCreater
 SHADERGEN_NAMESPACE_END
diff --git a/inc/hgl/shadergen/MaterialDescriptorManager.h b/inc/hgl/shadergen/MaterialDescriptorManager.h
index 6adbc821..7b976dd7 100644
--- a/inc/hgl/shadergen/MaterialDescriptorManager.h
+++ b/inc/hgl/shadergen/MaterialDescriptorManager.h
@@ -44,9 +44,6 @@ public:
 
     bool AddStruct(const AnsiString &name,const AnsiString &code)
     {
-        if(struct_map.KeyExist(name))
-            return(false);
-
         struct_map.Add(name,code);
         return(true);
     }
diff --git a/inc/hgl/shadergen/ShaderCreater.h b/inc/hgl/shadergen/ShaderCreater.h
index 6bdd6a61..bcbd4675 100644
--- a/inc/hgl/shadergen/ShaderCreater.h
+++ b/inc/hgl/shadergen/ShaderCreater.h
@@ -62,6 +62,8 @@ public:
 
     bool CreateShader(ShaderCreater *);
 
+    const AnsiString &GetShaderSource()const{return final_shader;}
+
     bool CompileToSPV();
 };//class ShaderCreater
 SHADERGEN_NAMESPACE_END
diff --git a/inc/hgl/shadergen/ShaderDescriptorManager.h b/inc/hgl/shadergen/ShaderDescriptorManager.h
index 8b75606d..6f830a16 100644
--- a/inc/hgl/shadergen/ShaderDescriptorManager.h
+++ b/inc/hgl/shadergen/ShaderDescriptorManager.h
@@ -20,7 +20,7 @@ class ShaderDescriptorManager
     VkShaderStageFlagBits shader_stage;
 
     ShaderStageIO stage_io;
-    
+
     AnsiStringList                      struct_list;        //用到的结构列表
 
     //ubo/object在这里以及MaterialDescriptorManager中均有一份，mdm中的用于产生set/binding号，这里的用于产生shader
@@ -39,7 +39,7 @@ public:
 
     const VkShaderStageFlagBits GetStageBits()const { return shader_stage; }
     const AnsiString            GetStageName()const { return AnsiString(GetShaderStageName(shader_stage)); }
-   
+
 public:
 
     const ShaderStageIO &                       GetShaderStageIO()const{return stage_io;}
@@ -51,8 +51,8 @@ public:
 
     const ObjectList<ConstValueDescriptor> &    GetConstList()const{return const_value_list;}
 
-    const ObjectList<SubpassInputDescriptor> &  GetSubpassInputList()const { return subpass_input; }
-    
+    const ObjectList<SubpassInputDescriptor> &  GetSubpassInputList()const{return subpass_input;}
+
 public:
 
     bool AddInput(ShaderStage *);
diff --git a/src/ShaderGen/MaterialCreater.cpp b/src/ShaderGen/MaterialCreater.cpp
index abd68b70..efd28905 100644
--- a/src/ShaderGen/MaterialCreater.cpp
+++ b/src/ShaderGen/MaterialCreater.cpp
@@ -95,25 +95,27 @@ bool MaterialCreater::AddSampler(const VkShaderStageFlagBits flag_bit,const Desc
     }
 }
 
-bool MaterialCreater::CompileShader()
+bool MaterialCreater::CreateShader()
 {
     if(shader_map.IsEmpty())
         return(false);
 
+    //mdm.Resort();
+
     ShaderCreater *sc,*last=nullptr;
 
-    for(int i=0;i<shader_map.GetCount();i++)
-    {
-        if(!shader_map.GetValue(i,sc))
-            return(false);
+    //for(int i=0;i<shader_map.GetCount();i++)
+    //{
+    //    if(!shader_map.GetValue(i,sc))
+    //        return(false);
 
-        sc->CreateShader(last);
+    //    sc->CreateShader(last);
 
-        //if(!sc->CompileToSPV())
-            //return(false);
+    //    last=sc;
+    //}
 
-        last=sc;
-    }
+    //vert->CreateShader(nullptr);
+    frag->CreateShader(vert);
 
     return(true);
 }
diff --git a/src/ShaderGen/MaterialDescriptorManager.cpp b/src/ShaderGen/MaterialDescriptorManager.cpp
index f973d3df..0aba71ea 100644
--- a/src/ShaderGen/MaterialDescriptorManager.cpp
+++ b/src/ShaderGen/MaterialDescriptorManager.cpp
@@ -43,7 +43,7 @@ ShaderDescriptor *MaterialDescriptorManager::ShaderDescriptorSet::AddDescriptor(
         new_sd->set_type=set_type;
         new_sd->stage_flag=ssb;
 
-        descriptor_map.Add(new_sd->name, new_sd);
+        descriptor_map.Add(new_sd->name,new_sd);
 
         count++;
 
diff --git a/src/ShaderGen/ShaderCreater.cpp b/src/ShaderGen/ShaderCreater.cpp
index 7e2bf302..8d7e9caf 100644
--- a/src/ShaderGen/ShaderCreater.cpp
+++ b/src/ShaderGen/ShaderCreater.cpp
@@ -34,8 +34,8 @@ bool ShaderCreater::ProcSubpassInput()
     if(sil.IsEmpty())
         return(true);
 
-    const auto si=sil.GetData();
-    const int si_count=sil.GetCount();
+    auto si=sil.GetData();
+    int si_count=sil.GetCount();
 
     for(int i=0;i<si_count;i++)
     {
@@ -46,6 +46,8 @@ bool ShaderCreater::ProcSubpassInput()
         final_shader+=") uniform subpassInput ";
         final_shader+=(*si)->name;
         final_shader+=";\n";
+
+        ++si;
     }
 
     final_shader+="\n";
@@ -73,14 +75,16 @@ bool ShaderCreater::ProcInput(ShaderCreater *last_sc)
 
 bool ShaderCreater::ProcOutput()
 {
-    final_shader+="layout(location=0) out ";
-
     output_struct.Clear();
 
+    const ShaderStageList &ssl=sdm.GetShaderStageIO().output;
+
+    if(ssl.GetCount()<=0)return(true);
+
     output_struct=GetShaderStageName(shader_stage);
     output_struct+="_Output\n{\n";
 
-    for(auto *ss:sdm.GetShaderStageIO().output)
+    for(auto *ss:ssl)
     {
         output_struct+="\t";
         output_struct+=GetShaderStageTypeName(ss);
@@ -91,6 +95,7 @@ bool ShaderCreater::ProcOutput()
 
     output_struct+="}";
 
+    final_shader+="layout(location=0) out ";
     final_shader+=output_struct;
     final_shader+="Output;\n\n";
 
@@ -112,7 +117,7 @@ bool ShaderCreater::ProcStruct()
         final_shader+=*str;
         final_shader+="\n{\n";
         final_shader+=codes;
-        final_shader+="};\n\n";
+        final_shader+="\n};\n\n";
     }
 
     return(true);
@@ -153,7 +158,8 @@ bool ShaderCreater::ProcSSBO()
 }
 
 bool ShaderCreater::ProcConst()
-{auto const_list=sdm.GetConstList();
+{
+    auto const_list=sdm.GetConstList();
 
     const int count=const_list.GetCount();
 
@@ -220,14 +226,14 @@ bool ShaderCreater::CreateShader(ShaderCreater *last_sc)
     if(!ProcStruct())
         return(false);
 
-    if(!ProcUBO())
-        return(false);
-    //if(!ProcSSBO())
-        //return(false);
-    if(!ProcConst())
-        return(false);
-    if(!ProcSampler())
-        return(false);
+    //if(!ProcUBO())
+    //    return(false);
+    ////if(!ProcSSBO())
+    //    //return(false);
+    //if(!ProcConst())
+    //    return(false);
+    //if(!ProcSampler())
+    //    return(false);
 
     ProcOutput();
 
diff --git a/src/ShaderGen/ShaderCreaterVertex.cpp b/src/ShaderGen/ShaderCreaterVertex.cpp
index c2640d77..9e05ddaf 100644
--- a/src/ShaderGen/ShaderCreaterVertex.cpp
+++ b/src/ShaderGen/ShaderCreaterVertex.cpp
@@ -41,7 +41,7 @@ bool ShaderCreaterVertex::ProcInput(ShaderCreater *)
             final_shader+=UTF8String::numberOf(ss->location);
             final_shader+=") in ";
             final_shader+=UTF8String(GetShaderStageTypeName(ss));
-            final_shader+="\t"+UTF8String(ss->name);
+            final_shader+=" "+UTF8String(ss->name);
             final_shader+=";\n";
         }