diff --git a/content/post/mysql-install.md b/content/post/mysql-install.md
index 1540a5e..9f9f449 100644
--- a/content/post/mysql-install.md
+++ b/content/post/mysql-install.md
@@ -136,15 +136,9 @@ categories: ["database"]
 - 启动每个实例的 mysql
     ```bash
     cd ~
-    mysql/bin/mysqld_safe \
-        --defaults-file=/home/mortal/instance-3301/my.cnf \
-        &>> instance-3301/log/mysqld_safe.out
-    mysql/bin/mysqld_safe \
-        --defaults-file=/home/mortal/instance-3302/my.cnf \
-        &>> instance-3302/log/mysqld_safe.out
-    mysql/bin/mysqld_safe \
-        --defaults-file=/home/mortal/instance-3303/my.cnf \
-        &>> instance-3303/log/mysqld_safe.out
+    mysql/bin/mysqld --daemonize --defaults-file=/home/mortal/instance-3301/my.cnf
+    mysql/bin/mysqld --daemonize --defaults-file=/home/mortal/instance-3302/my.cnf
+    mysql/bin/mysqld --daemonize --defaults-file=/home/mortal/instance-3303/my.cnf
     ```
 
 ### 设置 root 密码