ALTER TABLE `live_report`
ADD COLUMN `is_top`  tinyint(1) NULL DEFAULT 0 COMMENT '是否置顶 0未置顶 1 置顶' AFTER `is_release`,
ADD COLUMN `priority`  tinyint(4) NULL DEFAULT 0 COMMENT '排序，数字越大，排序越靠前' AFTER `is_top`;