mysql 1449 ： The user specified as a definer ('root'@'%') does not exist 解決方法
權限問題，授權 給 root 所有sql 權限
mysql> grant all privileges on *.* to root@"%" identified by ".";
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
