1.根据实际情况实际情况修改表前缀或表名.2.备份ecs_order_info, ecs_order_goods表中的数据.3.执行以下sql.DELETE ecs_order_info, ecs_order_goods FROM ecs_order_info, ecs_order_goods WHERE ecs_order_info.order_id=ecs_order_goods.order_id AND ecs_order_info.add_time<1401465600