diff --git a/操作文档/2、安装Mysql5.7.txt b/操作文档/2、安装Mysql5.7.txt
index 34b7b26..14fffe7 100644
--- a/操作文档/2、安装Mysql5.7.txt
+++ b/操作文档/2、安装Mysql5.7.txt
@@ -65,12 +65,17 @@ service mysqld restart
 mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
 mysql
 update mysql.user set authentication_string=PASSWORD("DsideaL147258369") where user='root' and host='localhost';
+
+flush privileges;
+
+GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'IDENTIFIED BY 'DsideaL147258369' WITH GRANT OPTION; 
+
 flush privileges;
 exit
+
 /etc/init.d/mysqld restart
-mysql -uroot -p
-输入密码：DsideaL147258369
-GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'IDENTIFIED BY 'DsideaL147258369' WITH GRANT OPTION; 
+mysql -uroot -pDsideaL147258369
+
 现在用Navicat Prenium就可以远程访问到数据库了。
 
 YLT项目中使用的用户名：ycharge，密码：ycharge 需要创建
@@ -78,3 +83,4 @@ CREATE USER 'ycharge'@'%' IDENTIFIED BY 'ycharge';
 GRANT all privileges ON yltcharge.* TO 'ycharge'@'%';
 FLUSH PRIVILEGES;
 
+
diff --git a/操作文档/7、Mysql数据库下载与还原.txt b/操作文档/7、Mysql数据库下载与还原.txt
index bad2dd2..a4dd589 100644
--- a/操作文档/7、Mysql数据库下载与还原.txt
+++ b/操作文档/7、Mysql数据库下载与还原.txt
@@ -55,4 +55,42 @@ chown -R mysql:mysql  /var/mysql_newdata
 
 # 启动
 mysqld --defaults-file=/etc/my.cnf --user=mysql --datadir=/var/mysql_newdata &
+
 ------------------------------------------------------------------------------------------------------------
+
+# 重置密码
+/etc/init.d/mysqld stop
+
+mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
+mysql
+update mysql.user set authentication_string=PASSWORD("DsideaL147258369") where user='root' and host='localhost';
+
+flush privileges;
+
+GRANT ALL PRIVILEGES ON *.* TO 'root'@'%'IDENTIFIED BY 'DsideaL147258369' WITH GRANT OPTION; 
+
+flush privileges;
+exit
+
+/etc/init.d/mysqld restart
+mysql -uroot -pDsideaL147258369
+
+# Mysql5.7修改用户密码，报错“Unknown trigger has an error in its body: ‘Unknown system variable ‘maintain_user”
+https://www.cnblogs.com/perfectCats/p/17979389
+
+mysql> select trigger_schema,trigger_name from information_schema.triggers;
++----------------+----------------------------+
+| trigger_schema | trigger_name |
++----------------+----------------------------+
+| sys | sys_config_insert_set_user |
+| sys | sys_config_update_set_user |
++----------------+----------------------------+
+2 rows in set (0.03 sec)
+mysql> drop trigger sys.sys_config_insert_set_user;
+Query OK, 0 rows affected (0.06 sec)
+
+mysql> drop trigger sys.sys_config_update_set_user;
+Query OK, 0 rows affected (0.02 sec)
+
+[root@RockyLinux local]# mv /var/mysql_newdata/mysql/user.TRG /var/mysql_newdata/mysql/user.TRG.back
+[root@RockyLinux local]# mv /var/mysql_newdata/mysql/proxies_priv.TRG /var/mysql_newdata/mysql/proxies_priv.TRG.back
\ No newline at end of file