diff --git a/数据库基础.md b/数据库基础.md
index 54f9819..ff8c1b3 100644
--- a/数据库基础.md
+++ b/数据库基础.md
@@ -100,7 +100,7 @@ mysql> alter user 'root'@'localhost' identified by 'Wjifja@7412347289';
 卸载安装的mariadb
 
 ```bash
-[root@mysql ~]# rpm -e --nodeps mariadb
+[root@mysql ~]# rpm -e --nodeps mariadb-libs
 ```
 
 下载rpm包
@@ -112,6 +112,7 @@ mysql> alter user 'root'@'localhost' identified by 'Wjifja@7412347289';
 解压tar文件
 
 ```bash
+[root@mysql ~]# mkdir mysql
 [root@mysql ~]# tar xvf mysql-5.7.30-1.el7.x86_64.rpm-bundle.tar -C mysql && cd mysql
 ```
 
@@ -122,6 +123,7 @@ mysql> alter user 'root'@'localhost' identified by 'Wjifja@7412347289';
 [root@mysql mysql]# rpm -i mysql-community-libs-5.7.30-1.el7.x86_64.rpm 
 [root@mysql mysql]# rpm -i mysql-community-client-5.7.30-1.el7.x86_64.rpm 
 [root@mysql mysql]# rpm -i mysql-community-server-5.7.30-1.el7.x86_64.rpm 
+[root@mysql mysql]# rpm -ivh mysql-community-libs-compat-5.7.30-1.el7.x86_64.rpm
 ```
 
 启动服务