diff --git a/02-Note/DAWA/ASoul/渲染方案/Shader修改部分.md b/02-Note/DAWA/ASoul/渲染方案/Shader修改部分.md
index 021cd8a..23c5544 100644
--- a/02-Note/DAWA/ASoul/渲染方案/Shader修改部分.md
+++ b/02-Note/DAWA/ASoul/渲染方案/Shader修改部分.md
@@ -1,3 +1,44 @@
+# Common
+## Common.ush
+添加结构体，主要用在材质的CustomNode里。
+```c++
+// Used by toon shading.  
+// Define a global custom data structure which can be filled by Custom node in material BP.  
+struct FToonShadingPerMaterialCustomData  
+{  
+    // Toon specular  
+    float3 ToonSpecularColor;  
+    float ToonSpecularLocation;  
+    float ToonSpecularSmoothness;  
+    // Toon shadow  
+    float3 ToonShadowColor;  
+    float ToonShadowLocation;  
+    float ToonShadowSmoothness;  
+    float ToonForceShadow;  
+    // Toon secondary shadow  
+    float3 ToonSecondaryShadowColor;  
+    float ToonSecondaryShadowLocation;  
+    float ToonSecondaryShadowSmoothness;  
+    // custom data, usually not used  
+    float4 CustomData0;  
+    float4 CustomData1;  
+    float4 CustomData2;  
+    float4 CustomData3;  
+};  
+  
+static FToonShadingPerMaterialCustomData ToonShadingPerMaterialCustomData;
+```
+
+## DeferredShadingCommon.ush
+
+
+# Lighting
+
+## ShadingModels
+### ShadingCommon.ush
+1. 添加ShadingModelID宏：
+- SHADINGMODELID_TOON_BASE 13
+- 
 
 
 # PostProcess
@@ -9,7 +50,9 @@ c++部分主要修改了：
 
 ***实现向ToneMaper Shader传递 `TRDGUniformBufferRef<FSceneTextureUniformParameters>`的功能***
 
-之后再PostProcessTonemap.usf中，对**CustomStencil**进行判断，如果为true，则直接返回之前渲染结果。
+之后再PostProcessTonemap.usf中，对**CustomStencil**进行判断，如果为true，则直接返回之前渲染结果。实际上BufferVisualization里根本看不出来。
+
+
 ```c++
 #include "DeferredShadingCommon.ush"