ERROR 1805 (HY000): Column count of mysql.user is wrong. Expected 45, found 43. The table is probabl

mysql>  create user 'shnne'@'localhost' identified by 'shnne123';
ERROR 1805 (HY000): Column count of mysql.user is wrong. Expected 45, found 43. The table is probably corrupted

解决办法：
/usr/bin/mysql_upgrade -uroot -p -S /var/lib/mysql/mysql.sock