diff --git a/03-UnrealEngine/卡通渲染相关资料/渲染功能/阴影控制/ToonShadow.md b/03-UnrealEngine/卡通渲染相关资料/渲染功能/阴影控制/ToonShadow.md
index 7700ef9..29ba688 100644
--- a/03-UnrealEngine/卡通渲染相关资料/渲染功能/阴影控制/ToonShadow.md
+++ b/03-UnrealEngine/卡通渲染相关资料/渲染功能/阴影控制/ToonShadow.md
@@ -74,8 +74,10 @@ const FMaterialRenderProxy* MaterialRenderProxy = MeshBatch.MaterialRenderProxy;
 bool bEnableToonMeshDrawOutline = MaterialRenderProxy->GetToonOutlineDataAssetRT()->Settings.bEnableToonMeshDrawOutline;
 
 ## 深度偏移
-在FProjectedShadowInfo添加
-RenderDepth()
+1. FProjectedShadowInfo添加变量。
+
+FSceneRenderer::RenderShadowDepthMaps() => RenderShadowDepthMapAtlases() => ProjectedShadowInfo->RenderDepth()
 
 ## DirectionOffsetToViewShadow
-FSceneRenderer::CreateDynamicShadows() -> SetupInteractionShadows()在CreatePerObjectProjectedShadow()添加相关逻辑。
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+1. 在FProjectedShadowInfo添加变量。
+FSceneRenderer::CreateDynamicShadows() => SetupInteractionShadows()，在CreatePerObjectProjectedShadow()添加相关逻辑。
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