diff --git a/_Sidebar.md b/_Sidebar.md
index 68fa302..15521dc 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -1,4 +1,6 @@
 - 赛题介绍
+	- 赛题背景及意义
+		[[背景及意义]]
 	- 赛题任务
 		[[赛题要求]]
 	- 选题
@@ -14,6 +16,4 @@
 		[[申请方式]]
 	- 赛程赛制
 		[[主题赛]]
-		[[总决赛]]
-	- 赛题背景及意义
-		[[背景及意义]]
\ No newline at end of file
+		[[总决赛]]
\ No newline at end of file