Android 登陆失败: java.net.SocketTimeoutException:

在做多账号切换测试的时候, 部分手机开始登陆不上, 卸载重装后仍然不能连接,
SocketTimeoutException:java.net.SocketTimeoutException: failed to connect to /182.92.20.34 (port 443) after 40000ms
D/EMConnectionManager﹕ connectSync with error = failed to connect to /182.92.20.34 (port 443) after 40000ms
D/EMConnectionManager﹕ 1142955552 : enter disconnect()
D/EMConnectionManager﹕ unregisterConnectivityReceiver()
D/EMConnectionManager﹕ trying to disconnect connection （1143585712)
 I/sxmppcon﹕ enter disconnect (1143585712)
W/System.err﹕ com.easemob.exceptions.EMNetworkUnconnectedException: failed to connect to /182.92.20.34 (port 443) after 40000ms
W/System.err﹕ at com.easemob.chat.core.EMConnectionManager.connect(Unknown Source)
W/System.err﹕ at com.easemob.chat.core.EMConnectionManager.connectSync(Unknown Source)
W/System.err﹕ at com.easemob.chat.EMSessionManager.loginSync(Unknown Source)
W/System.err﹕ at com.easemob.chat.EMSessionManager.access$2(Unknown Source)
W/System.err﹕ at com.easemob.chat.EMSessionManager$2.run(Unknown Source)
D/Session﹕ xmppConnectionManager.connectSync() failed: failed to connect to /182.92.20.34 (port 443) after 40000ms