diff --git a/inc/hgl/graph/mtl/StdMaterial.h b/inc/hgl/graph/mtl/StdMaterial.h
index f447ebe3..0f7e0e8b 100644
--- a/inc/hgl/graph/mtl/StdMaterial.h
+++ b/inc/hgl/graph/mtl/StdMaterial.h
@@ -27,9 +27,14 @@ namespace hgl
             }//namespace func
 
             class MaterialCreateInfo;
+            struct MaterialCreateConfig;
 
             class StdMaterial
             {
+            protected:
+
+                MaterialCreateInfo *mci;
+
             protected:
 
                 virtual bool BeginCustomShader(){return true;/*some work before creating shader*/};
@@ -42,10 +47,10 @@ namespace hgl
 
             public:
 
-                StdMaterial()=default;
+                StdMaterial(const MaterialCreateConfig *);
                 virtual ~StdMaterial()=default;
     
-                virtual MaterialCreateInfo *Create()=0;
+                virtual MaterialCreateInfo *Create();
             };//class StdMaterial
 
 
diff --git a/src/ShaderGen/2d/Std2DMaterial.cpp b/src/ShaderGen/2d/Std2DMaterial.cpp
index f54b9cdb..64d93ece 100644
--- a/src/ShaderGen/2d/Std2DMaterial.cpp
+++ b/src/ShaderGen/2d/Std2DMaterial.cpp
@@ -6,14 +6,6 @@
 #include"common/MFRectPrimitive.h"
 
 STD_MTL_NAMESPACE_BEGIN
-
-Std2DMaterial::Std2DMaterial(const Material2DCreateConfig *c)
-{
-    mci=new MaterialCreateInfo(c);
-
-    cfg=c;
-}
-
 bool Std2DMaterial::CustomVertexShader(ShaderCreateInfoVertex *vsc)
 {
     RANGE_CHECK_RETURN_FALSE(cfg->coordinate_system)
@@ -50,30 +42,4 @@ bool Std2DMaterial::CustomVertexShader(ShaderCreateInfoVertex *vsc)
 
     return(true);
 }
-
-MaterialCreateInfo *Std2DMaterial::Create()
-{
-    if(!BeginCustomShader())
-        return(nullptr);
-
-    if(mci->hasVertex())
-        if(!CustomVertexShader(mci->GetVS()))
-            return(nullptr);
-
-    if(mci->hasGeometry())
-        if(!CustomGeometryShader(mci->GetGS()))
-            return(nullptr);
-
-    if(mci->hasFragment())
-        if(!CustomFragmentShader(mci->GetFS()))
-            return(nullptr);
-
-    if(!EndCustomShader())
-        return(false);
-
-    if(!mci->CreateShader())
-        return(nullptr);
-
-    return(mci);
-}
 STD_MTL_NAMESPACE_END
diff --git a/src/ShaderGen/2d/Std2DMaterial.h b/src/ShaderGen/2d/Std2DMaterial.h
index 7062aaeb..9141608c 100644
--- a/src/ShaderGen/2d/Std2DMaterial.h
+++ b/src/ShaderGen/2d/Std2DMaterial.h
@@ -1,29 +1,24 @@
 #pragma once
 
 #include<hgl/graph/mtl/StdMaterial.h>
+#include<hgl/graph/mtl/Material2DCreateConfig.h>
 
 STD_MTL_NAMESPACE_BEGIN
 
-struct Material2DCreateConfig;
-
 class Std2DMaterial:public StdMaterial
 {
 protected:
 
     const Material2DCreateConfig *cfg;
 
-    MaterialCreateInfo *mci;
-
 protected:
 
     virtual bool CustomVertexShader(ShaderCreateInfoVertex *) override;
 
 public:
 
-    Std2DMaterial(const Material2DCreateConfig *);
+    Std2DMaterial(const Material2DCreateConfig *c):StdMaterial(c){cfg=c;}
     virtual ~Std2DMaterial()=default;
-    
-    virtual MaterialCreateInfo *Create() override;
 };//class Std2DMaterial
 
 STD_MTL_NAMESPACE_END
diff --git a/src/ShaderGen/3d/Std3DMaterial.cpp b/src/ShaderGen/3d/Std3DMaterial.cpp
index cc9a821c..6a0542b8 100644
--- a/src/ShaderGen/3d/Std3DMaterial.cpp
+++ b/src/ShaderGen/3d/Std3DMaterial.cpp
@@ -7,13 +7,6 @@
 #include"common/MFRectPrimitive.h"
 
 STD_MTL_NAMESPACE_BEGIN
-Std3DMaterial::Std3DMaterial(const Material3DCreateConfig *c)
-{
-    mci=new MaterialCreateInfo(c);
-
-    cfg=c;
-}
-
 bool Std3DMaterial::CustomVertexShader(ShaderCreateInfoVertex *vsc)
 {
     vsc->AddInput(cfg->position_format,VAN::Position);
@@ -50,30 +43,4 @@ bool Std3DMaterial::CustomVertexShader(ShaderCreateInfoVertex *vsc)
 
     return(true);
 }
-
-MaterialCreateInfo *Std3DMaterial::Create()
-{
-    if(!BeginCustomShader())
-        return(nullptr);
-
-    if(mci->hasVertex())
-        if(!CustomVertexShader(mci->GetVS()))
-            return(nullptr);
-
-    if(mci->hasGeometry())
-        if(!CustomGeometryShader(mci->GetGS()))
-            return(nullptr);
-
-    if(mci->hasFragment())
-        if(!CustomFragmentShader(mci->GetFS()))
-            return(nullptr);
-
-    if(!EndCustomShader())
-        return(false);
-
-    if(!mci->CreateShader())
-        return(nullptr);
-
-    return(mci);
-}
 STD_MTL_NAMESPACE_END
diff --git a/src/ShaderGen/3d/Std3DMaterial.h b/src/ShaderGen/3d/Std3DMaterial.h
index 491a353c..cb6b85ce 100644
--- a/src/ShaderGen/3d/Std3DMaterial.h
+++ b/src/ShaderGen/3d/Std3DMaterial.h
@@ -1,29 +1,24 @@
 #pragma once
 
 #include<hgl/graph/mtl/StdMaterial.h>
+#include<hgl/graph/mtl/Material3DCreateConfig.h>
 
 STD_MTL_NAMESPACE_BEGIN
 
-struct Material3DCreateConfig;
-
 class Std3DMaterial:public StdMaterial
 {
 protected:
 
     const Material3DCreateConfig *cfg;
 
-    MaterialCreateInfo *mci;
-
 protected:
 
     virtual bool CustomVertexShader(ShaderCreateInfoVertex *) override;
 
 public:
 
-    Std3DMaterial(const Material3DCreateConfig *);
+    Std3DMaterial(const Material3DCreateConfig *c):StdMaterial(c){cfg=c;}
     virtual ~Std3DMaterial()=default;
-    
-    virtual MaterialCreateInfo *Create() override;
 };//class Std3DMaterial
 
 STD_MTL_NAMESPACE_END
\ No newline at end of file
diff --git a/src/ShaderGen/StandardMaterial.cpp b/src/ShaderGen/StandardMaterial.cpp
index 15b7c175..ba240528 100644
--- a/src/ShaderGen/StandardMaterial.cpp
+++ b/src/ShaderGen/StandardMaterial.cpp
@@ -1,9 +1,37 @@
 #include<hgl/graph/mtl/StdMaterial.h>
+#include<hgl/shadergen/MaterialCreateInfo.h>
 
 STD_MTL_NAMESPACE_BEGIN
 
-namespace
+StdMaterial::StdMaterial(const MaterialCreateConfig *mcc)
 {
-}//namespace
+    mci=new MaterialCreateInfo(mcc);
+}
+
+MaterialCreateInfo *StdMaterial::Create()
+{
+    if(!BeginCustomShader())
+        return(nullptr);
+
+    if(mci->hasVertex())
+        if(!CustomVertexShader(mci->GetVS()))
+            return(nullptr);
+
+    if(mci->hasGeometry())
+        if(!CustomGeometryShader(mci->GetGS()))
+            return(nullptr);
+
+    if(mci->hasFragment())
+        if(!CustomFragmentShader(mci->GetFS()))
+            return(nullptr);
+
+    if(!EndCustomShader())
+        return(nullptr);
+
+    if(!mci->CreateShader())
+        return(nullptr);
+
+    return(mci);
+}
 
 STD_MTL_NAMESPACE_END