alter table `demand` 
change column `release` `release_status` int(1) comment '是否发布(0-未发布,1-发布)';

CREATE TABLE `demand_log` (
  `id` VARCHAR(36) NOT NULL,
  `demand_id` VARCHAR(36) NOT NULL COMMENT '需求表主键',
  `status` INT(1) NOT NULL COMMENT '状态',
  `operator` VARCHAR(36) NULL COMMENT '操作人',
  `principal` VARCHAR(36) NULL,
  `recored_time` DATETIME NOT NULL COMMENT '记录时间',
  `comment` VARCHAR(128) NULL COMMENT '备注',
  PRIMARY KEY (`id`))
ENGINE = InnoDB