mysql 5.5.28-> 5.5.62 mysqlcheck --check-upgrade的时候 返回结果全OK， 但mysql_upgrade 时候报错

Running 'mysql__fix_privilege_tables

ERROR 1064(42000)at Line 47: You have an error in your SQL syntax; check the manual that corresponds to your MYSQL server versi

on for the right syntax to use near(14),

ERROR 1064(42000)at line 49: You have an error in your SQL syntax; check the manual that corresponds to your MYSQL server versi

on for the right syntax to use near(14), Column priv set('select,'insert",Update,References) COLLATE utf8 gene at Line 1

ERROR 1064(42000)at Line 81: You have an error in your SQL syntax; check the manual that corresponds to your MYSQL server versi

on for the right syntax to use near(14), PRIMARY KEY(Host, Db, User, Routine_name, Routine_type), KEY Grantor (Grantor at Line 1

FATAL ERROR: Upgrade failed