diff --git a/03-UnrealEngine/Rendering/RenderFeature/Lumen学习笔记（4）——Game104学习笔记.md b/03-UnrealEngine/Rendering/RenderFeature/Lumen学习笔记（4）——Game104学习笔记.md
index 41e70dd..731d811 100644
--- a/03-UnrealEngine/Rendering/RenderFeature/Lumen学习笔记（4）——Game104学习笔记.md
+++ b/03-UnrealEngine/Rendering/RenderFeature/Lumen学习笔记（4）——Game104学习笔记.md
@@ -41,7 +41,7 @@ Let's inject light in. (Photon Mapping?)
 - Single bounce
 - No visibility check for indirect illumination
 
-# Light Propagation Volumes
+# Light Propagation Volumeshj
 
 **"Freeze" the Radiance in Voxel**
 Light Injection