1. SELECT `id`,`title`,`thumb`,`price`,`content`,`promotion_link`,`update_time` FROM `sl_items` WHERE `id`=25188 LIMIT 1
2. SELECT id, title FROM `sl_items` WHERE id = (SELECT MAX(id) FROM `sl_items` WHERE id < 25188) or id = (select min(id) from sl_items where id > 25188)