diff --git a/03-UnrealEngine/卡通渲染相关资料/渲染功能/PostProcess/ToonPostProcess.md b/03-UnrealEngine/卡通渲染相关资料/渲染功能/PostProcess/ToonPostProcess.md
index a2c4e07..5212840 100644
--- a/03-UnrealEngine/卡通渲染相关资料/渲染功能/PostProcess/ToonPostProcess.md
+++ b/03-UnrealEngine/卡通渲染相关资料/渲染功能/PostProcess/ToonPostProcess.md
@@ -196,4 +196,20 @@ void AddPostProcessingPasses()
 ## PostProcessCombineLUTs.usf
 相关变量更新函数位于FCachedLUTSettings::GetCombineLUTParameters()
 
-## PostProcessTonemap.usf
\ No newline at end of file
+## PostProcessTonemap.usf
+
+## 实现方法
+
+```c++
+//BlueRose Modify  
+FGBufferData SamplerBuffer = GetGBufferData(UV * View.ResolutionFractionAndInv.x, false);  
+if (SamplerBuffer.CustomStencil > 1.0f && abs(SamplerBuffer.CustomDepth - SamplerBuffer.Depth) < 1)  
+{  
+    // OutColor = SampleSceneColor(UV);  
+    OutColor = TonemapCommonPS(UV, InVignette, GrainUV, ScreenPos, FullViewUV, SvPosition, Luminance);  
+}else  
+{  
+    OutColor = TonemapCommonPS(UV, InVignette, GrainUV, ScreenPos, FullViewUV, SvPosition, Luminance);  
+}  
+//BlueRose Modify End
+```
\ No newline at end of file