:ambulance: check ids length before diff from redis
:ambulance: check ids length before diff from redis

meifamily/ptt-alertor,meifamily/ptt-alertor,liam-lai/ptt-alertor,meifamily/ptt-alertor,liam-lai/ptt-alertor,liam-lai/ptt-alertor,liam-lai/ptt-alertor,meifamily/ptt-alertor