Disconnected when I join with in a few minutes

When I'm trying to access my realm it says failed to connect, also when I try to play my realm, I get disconnected with in 1- 60 seconds and I have tried to download the realm as an actual world it freezes. There was another bug as well. I hit my friend we both have netherite armor with Thorns 3 it crashes the game and have to wait 5 minutes to join back.