Erro roav cam c1 pro android 10 up to android 11

Please hepl me resolve my issue , befor update android of samsung galaxy note 10 ,my phone still connect to roav cam and see video ,but when i update to android 11 i can not use application to connect to cam anker to see video .my wifi still connect to roavcam pro c1 but application in andrioid 11 can not , pls help me