當我通過 Wi-Fi 連接到套接字時，一切正常，這是 Logger 日志：2018-11-01 11:54:44.395 : io.socket.client.IO: ignoring socket cache for http://myserverexample.com:80/2018-11-01 11:54:44.402 : io.socket.client.Manager: readyState CLOSED2018-11-01 11:54:44.405 : io.socket.client.Manager: opening http://myserverexample.com:80/2018-11-01 11:54:44.408 : io.socket.client.Manager: connection attempt will timeout after 200002018-11-01 11:54:44.411 : .socket.engineio.client.Socket: creating transport 'polling'2018-11-01 11:54:44.413 : .socket.engineio.client.Socket: setting transport polling2018-11-01 11:54:44.415 : neio.client.transports.Polling: polling2018-11-01 11:54:44.417 : o.client.transports.PollingXHR: xhr poll2018-11-01 11:54:44.421 : o.client.transports.PollingXHR: xhr open GET: http://myserverexample.com/socket.io/?EIO=3&transport=polling2018-11-01 11:54:44.423 : o.client.transports.PollingXHR: sending xhr with url http://myserverexample.com/socket.io/?EIO=3&transport=polling | data null但是當我嘗試通過移動互聯(lián)網(wǎng)輪詢連接時，得到的數(shù)據(jù)如下 xml：neio.client.transports.Polling: polling got data <?xml version="1.0"?><!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml"><wml><card id="FEHLER" title="ERROR"><p>The requested item could not be loaded <br/>Wrong MIME-Type<do type="prev" label="back"><prev/></do></p></card></wml>然后我收到mSocket.on(Socket.EVENT_CONNECT_ERROR, new Emitter.Listener() {                @Override                public void call(Object... args) {                  if (args.length> 0 && args[0] instanceof EngineIOException){                        ((EngineIOException)args[0]).printStackTrace();                    }               }            });