PocketSocket Delegate is not calling when app is in background

[totoourworld]

Hello, All.
How are you?
Currently , I am working on project using web socket server creating in iOS app.
I am feeling, PocketSocket is Best Solution for me and using this.
As of now , I am having problem in background mode.
When My App is in background, I want delegates of PocketSocket can get the event from clients and do something.
But it's not working.
Can anyone help me?
Regards.

[wulinfeng198810]

I have the same question. PSWebSocketServer didn't callback delegate when disconnected(after enterBackgroud a moment then enterBackground).