mysql - docker中的文件被覆盖之后，无法用root登录。Expected 45, found 42. The table is probably corrupted

refer to:
https://stackoverflow.com/questions/43846950/column-count-of-mysql-user-is-wrong-expected-42-found-44-the-table-is-probabl

ERROR 1805 (HY000): Column count of mysql.user is wrong. Expected 45, found 42. The table is probably corrupted

运行这个命令（重新设置一下 密码）就可以了。

mysql_upgrade --force -uroot -p