Onlyoffice 7.3.0 websocket path invalid, help

Hello @mojianpo
We changed the websocket library from sockjs to socket.io in v.7.3
https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#back-end
We described workaround solution here:

Please check it out.

If I misunderstood your request, please provide us with details.