ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER; #修改加密规则
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'password'; #更新一下用户的密码
FLUSH PRIVILEGES; #刷新权限
再重置下密码:alter user 'root'@'localhost' identified by '123qwe';
转载:https://blog.csdn.net/u010026255/article/details/80062153