diff --git a/_Sidebar.md b/_Sidebar.md
index 579d8c4..68fa302 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -15,4 +15,5 @@
 	- 赛程赛制
 		[[主题赛]]
 		[[总决赛]]
-	- 赛题背景及意义
\ No newline at end of file
+	- 赛题背景及意义
+		[[背景及意义]]
\ No newline at end of file