Help me pls! could not use playstore/google service after root topic

As title, i root my tab s 8.4 today by the cf-auto root, after that i could not use any Google service.
i tried the method i could search on the forum, reset auto date/time, clear cache, delete google service data/ apps, update these service, factory reset, clean flash rom and its still not working. now i totally cannot download any apps from playstore or use apps that connected to google play.