iOS App crashes after suspend about nakama-unity HOT 3 CLOSED

socket = client.NewSocket();
        try
        {
            await socket.ConnectAsync(session, true, 30);
        }
        catch
        {
            return;
        }

        socket.Closed += OnSocketClosed;
        socket.ReceivedError += OnReceivedException;

var connectTask = socket.ConnectAsync(session);
 await connectTask;
 var joinChatTask = socket.JoinChatAsync(channelId, channelType, true);
        var result = await joinChatTask;

private void OnApplicationPause(bool p)
    {
        if (p)
        {
            socket.CloseAsync();
        }
}