diff --git a/_Sidebar.md b/_Sidebar.md
index 461ceac..51553c1 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -1,4 +1,4 @@
-<h3>目录</h3>
+<h3>Contents 目录</h3>
 
 * [[Home]]
 * [Introduction](Introduction) /  [简介](简介)