diff --git a/ch00: 环境搭建.md b/ch00: 环境搭建.md
index c91be74..f3279e8 100644
--- a/ch00: 环境搭建.md	
+++ b/ch00: 环境搭建.md	
@@ -10,6 +10,8 @@
 1. MySQL 8.0 的安装
     *  [1.1 windows 下 MySQL 8.0 的下载安装](https://github.com/datawhalechina/wonderful-sql/blob/main/ch00:%20%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA.md#11-windows-%E4%B8%8B-mysql-80-%E7%9A%84%E4%B8%8B%E8%BD%BD%E5%AE%89%E8%A3%85)
            - [1.1.1 下载](https://github.com/datawhalechina/wonderful-sql/blob/main/ch00:%20%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA.md#111-%E4%B8%8B%E8%BD%BD)
+           - [1.1.2 下载](https://github.com/datawhalechina/wonderful-sql/blob/main/ch00:%20%E7%8E%AF%E5%A2%83%E6%90%AD%E5%BB%BA.md#111-%E4%B8%8B%E8%BD%BD)
+
 
 
 # 1. MySQL 8.0 的安装