Dear, because there was a problem with the air pump at that time, we also actively communicated with you to deal with the problem of the air pump, and now the machine has been functioning normally, if you have any follow-up problems, we have after-sales personnel 24 hours to follow up one-on-one service. If the problem cannot be solved, please contact me for your service: watsap/phone/wechat: 8619927541621