private void TcpConnected(Tcp.Connected message)
        {
            Console.WriteLine("TCP連線", $" TCP連線.Message =" + message.ToString());

            // Register self as connection handler
            Sender.Tell(new Tcp.Register(Self));
            connection = Sender;
        }
        void HandleConnected(Tcp.Connected m)
        {
            logger.Info("tcp.connected,remote:{0}--{1}--sender:{2}", m?.RemoteAddress?.ToString(), m?.LocalAddress?.ToString(), Sender?.Path.Address.ToString());

            connectionActor = Sender;
            Context.Watch(connectionActor);
            Sender.Tell(new Tcp.Register(Self));
        }