ALTER TABLE `live_scene`
MODIFY COLUMN `live_desc`  varchar(500) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '现场简介' AFTER `title_image`,
MODIFY COLUMN `scene_mark`  varchar(500) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '现场备注' AFTER `live_state`;

