diff --git a/content/post/mysql-install.md b/content/post/mysql-install.md
index e9170b9..1540a5e 100644
--- a/content/post/mysql-install.md
+++ b/content/post/mysql-install.md
@@ -151,29 +151,17 @@ categories: ["database"]
 - 设置 mysql root 账户的密码
     ```bash
     cd ~
-    mysql/bin/mysqladmin \
-        -S /home/mortal/instance-$i/mysqld.sock \
-        password
-    mysql/bin/mysqladmin \
-        -S /home/mortal/instance-$i/mysqld.sock \
-        password
-    mysql/bin/mysqladmin \
-        -S /home/mortal/instance-$i/mysqld.sock \
-        password
+    mysql/bin/mysqladmin -S /home/mortal/instance-3301/mysqld.sock password
+    mysql/bin/mysqladmin -S /home/mortal/instance-3302/mysqld.sock password
+    mysql/bin/mysqladmin -S /home/mortal/instance-3303/mysqld.sock password
     ```
 
 ### 客户端链接
 - 使用本机客户端登陆 mysql root 账户
     ```bash
     cd ~
-    mysql/bin/mysql \
-        -S /home/mortal/instance-$i/mysqld.sock \
-        -p
-    mysql/bin/mysql \
-        -S /home/mortal/instance-$i/mysqld.sock \
-        -p
-    mysql/bin/mysql \
-        -S /home/mortal/instance-$i/mysqld.sock \
-        -p
+    mysql/bin/mysql -S /home/mortal/instance-3301/mysqld.sock -p
+    mysql/bin/mysql -S /home/mortal/instance-3302/mysqld.sock -p
+    mysql/bin/mysql -S /home/mortal/instance-3303/mysqld.sock -p
     ```