From d6bfb8fadcf71f336cd376d0ed34a35835a3221d Mon Sep 17 00:00:00 2001
From: neverland <chenjiahan@youzan.com>
Date: Thu, 18 Feb 2021 23:39:55 +0800
Subject: [PATCH] docs(Sidebar): add intro

---
 src/sidebar/README.zh-CN.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/sidebar/README.zh-CN.md b/src/sidebar/README.zh-CN.md
index 97104d2d0..71bb69af1 100644
--- a/src/sidebar/README.zh-CN.md
+++ b/src/sidebar/README.zh-CN.md
@@ -1,5 +1,9 @@
 # Sidebar 侧边导航
 
+### 介绍
+
+垂直展示的导航栏，用于在不同的内容区域之间进行切换。
+
 ### 引入
 
 ```js