Mysql创建用户后无法登陆，提示密码错误

GRANT SELECT,INSERT,UPDATE,DELETE ON test.* TO 用户名@"localhost" IDENTIFIED BY "密码";  -- 执行

use mysql；
ALTER USER 'root'@'%' IDENTIFIED BY '123456' PASSWORD EXPIRE NEVER;
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';
FLUSH PRIVILEGES;