1,创建数据库: dev_order
2,创建表:
CREATE TABLE `gd_bill_appeal` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `create_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP,
  `update_time` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  `appeal_name` varchar(64) NOT NULL COMMENT '诉求名称描述',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COMMENT='工单诉求表';