Instagram notification sound problem

[anon(10576289)]

Hi. I have mi 8 lite 6gb ram 128 GB model. I use android Oreo 8.1.0 And MIUI 10.2.2.0 global. When i have Instagram notifications from following pages there are no sound no vibration.instagram direct notificstions work well.ı scanned all the forums And talk people but i couldnt find any solution. I opened all the permissions(believe me all) but there is no notification Sound And vibration. Is there anyone who solved this problem before.