mysql用户授权问题

User requires SELECT privilege on mysql.* to obtain information about all roles.

ERROR: Unable to check privileges for user 'root'@'192.168.159.1'. User requires SELECT privilege on mysql.* to obtain information about all roles.

为用户授权

mysql>$use mysql;
mysql>$GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.159.1';