ALTER TABLE `ufutx_dynamic_adv` 
MODIFY COLUMN `type` tinyint(4) NOT NULL DEFAULT 0 COMMENT '类型 0：app内部 1：外部链接' AFTER `icon`,
MODIFY COLUMN `page` int(10) NULL COMMENT '第几页' AFTER `type`,
MODIFY COLUMN `sort` int(10) NULL COMMENT '第几个' AFTER `page`,
ADD COLUMN `address` text NULL COMMENT '外部地址' AFTER `sort`;