我正在尝试发送带有有效p12和token的苹果推送通知，如下所示:voidconnect(){client=newTcpClient();//Notifyweareconnectingvareoc=this.OnConnecting;if(eoc!=null)eoc(this.appleSettings.Host,this.appleSettings.Port);try{client.Connect(this.appleSettings.Host,this.appleSettings.Port);}catch(Exceptionex){thrownewConnectionFailure