public MainWindow()
        {
            InitializeComponent();
            RemoteCertificateValidationCallback remote = ValidateServerCertificate;
            ServicePointManager.ServerCertificateValidationCallback = remote;
        }
        /// <summary>
        /// 服務(wù)端驗(yàn)證
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="certificate"></param>
        /// <param name="chain"></param>
        /// <param name="sslPolicyErrors"></param>
        /// <returns></returns>
        public bool ValidateServerCertificate( object sender,X509Certificate certificate,X509Chain chain,SslPolicyErrors sslPolicyErrors)
        {
            return   true ;
        }        
        /// <summary>
        /// WebSocket客戶端連接
        /// </summary>
        /// <param name="param"></param>
        /// <returns></returns>
        public async Task Connect()
        {
            CancellationTokenSource t = new CancellationTokenSource();
            try
            {
                client.Options.SetRequestHeader("key", "value");
                X509Certificate2 cert = new X509Certificate2("xxx.cert");
                client.Options.ClientCertificates.Add(cert);
                Uri uri = new Uri("wss://xxxxxx");
                //var config=new ServerConfig
                await client.ConnectAsync(uri, t.Token);
                Thread.Sleep(300);
                Console.WriteLine($"鏈接websocket:[{uri}] 完成");
                Task s1 = new Task(Receive, t, t.Token, TaskCreationOptions.LongRunning);
                s1.Start();
                token = t;
                Console.WriteLine("Send Hello");
            }
            catch (Exception ex)
            {
                Console.WriteLine($"鏈接websocket:[{uri}] 失敗", ex.Message);
 
            }
        }
        /// <summary>
        /// Websocket接收
        /// </summary>
        /// <param name="obj"></param>
        private void Receive(object obj)
        {
            CancellationTokenSource ts = obj as CancellationTokenSource;
            byte[] bs = new byte[1024];
            while (!ts.Token.IsCancellationRequested)
            {
                try
                {
                    ArraySegment<byte> buff = new ArraySegment<byte>(bs, 0, bs.Length);
                    Task<WebSocketReceiveResult> res = client.ReceiveAsync(buff, ts.Token);
                    res.Wait();
                    if (ts.Token.IsCancellationRequested)
                    {
                        return;
                    }
                    if (WebSocketCloseStatus.NormalClosure == res.Result.CloseStatus)
                    {
                        Console.WriteLine($"websocket:與服務(wù)器斷開鏈接：{res.Result.CloseStatus} --> Desc :{res.Result.CloseStatusDescription}");
                        ts.Cancel();
                        return;
                    }
                    string strData = encod.GetString(bs, 0, res.Result.Count);
                    Console.WriteLine(strData);
                    WsMsg msg = WsMsg.Deserialize(strData);
                }
                catch (Exception ex)
                {
                    Console.WriteLine("解析或執(zhí)行 websocket:命令失敗", ex);
                }
            }
        }