diff --git a/_Sidebar.md b/_Sidebar.md
index d374ca9..6e63224 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -1,3 +1,5 @@
+[unreal-engine-guide-book](https://git.syui.ai/ai/rse/wiki#unreal-engine-guide-book)
+
 [Airse](https://git.syui.ai/ai/rse/wiki/Airse)
 
 [Pokemon](https://git.syui.ai/ai/rse/wiki/Pokemon)