mysql> insert imooc_admin(username,password) values('paco','311020666a5776c57d265ace682dc46d');Query OK, 1 row affected, 2 warnings (0.01 sec)mysql> select * from imooc_admin;+----+----------+--------------------------------+-------+| id | username | password?????????????????????? | email |+----+----------+--------------------------------+-------+|? 1 | paco???? | 311020666a5776c57d265ace682dc4 |?????? |+----+----------+--------------------------------+-------+1 row in set (0.00 sec)mysql>