grant all赋权后mysql.user表权限字段还是N,但能登录和新建表

grant all privileges on linuxeye.* to linuxeye@’trustauth.cn’ identified by ‘linuxeye’;
select * from myql.user where user=’linuxeye’; 发现里面具体权限字段还是N,但是通过客户端却可以登录和新建表。