ALTER TABLE `dzd_site`
    ADD `website` VARCHAR(100) NULL  COMMENT '网站名称' AFTER `source`,
    ADD `company` VARCHAR(100) NULL  COMMENT '公司名称' AFTER `website`,
    ADD `icp` VARCHAR(30) NULL  COMMENT 'ICP备案号' AFTER `company`,
    ADD `icp_link` VARCHAR(100) NULL  COMMENT 'ICP备案链接' AFTER `icp`,
    ADD `gwa` VARCHAR(30) NULL  COMMENT '公安备案号' AFTER `icp_link`,
    ADD `gwa_link` VARCHAR(100) NULL  COMMENT '公安备案链接' AFTER `gwa`,
    ADD `chat` VARCHAR(255) NULL  COMMENT '客服代码' AFTER `gwa_link`,
    ADD `statistics` VARCHAR(255) NULL  COMMENT '统计代码' AFTER `chat`,
    ADD `copyright` VARCHAR(255) NULL  COMMENT '版权信息' AFTER `statistics`;

ALTER TABLE `dzd_model_field`
    ADD `iflist` TINYINT(1) UNSIGNED NOT NULL DEFAULT '0' COMMENT '是否列表显示' AFTER `ifrequire`;