Fix bug change if of connected wired network do not effect

src/backthread.cpp

@@ -85,7 +85,6 @@ IFace* BackThread::execGetIface()
                 // if type is wired network
                 iface->lname = iname;
 
-                qDebug() << "有线网的状态是 "<<istateStr;
                 if (istateStr == "unmanaged") {
                     iface->lstate = 2; //switch of wired device is off
                 } else if (istateStr == "disconnected" || istateStr == "unavailable") {

src/kylin-dbus-interface.cpp

@@ -344,9 +344,8 @@ void KylinDBus::getLanIpDNS(QString uuidName, bool isActNet)
                                             dbusArg2nd.beginArray();
                                             while (!dbusArg2nd.atEnd()) {
                                                 dbusArg2nd >> strDns;// append map to a vector here if you want to keep it
-                                                // 当获取到dns时，dns肯定不会为0，所以就会有一个类似出栈的操作，就会走到atEnd尾部；
-                                                // 当获取到的dns为空时，就没有类似的出栈操作，获取到的数字就有问题；
                                                 if (strDns == 0) {
+                                                    //dbusArg2nd为空时，strDns没有从dbusArg2nd获取到结果
                                                     dbusArg2nd.endArray();
                                                 }
                                             }

src/mainwindow.cpp

@@ -1482,11 +1482,11 @@ void MainWindow::getLanListDone(QStringList slist)
                         } else {
                             ccfAct->setLine(false); //最后一个item不显示下划线
                         }
-
-                        if (!objKyDBus->dbusLanIpv4.isEmpty()) {
+\
+                        if (!objKyDBus->dbusLanIpv4.isEmpty() && !objKyDBus->dbusActiveLanIpv4.isEmpty()) {
                             if (objKyDBus->dbusActiveLanIpv4 != objKyDBus->dbusLanIpv4) {
                                 //在第三方nm-connection-editor进行新的IP配置后，重新连接网络
-                                //objKyDBus->connectWiredNet(nname);
+                                objKyDBus->connectWiredNet(nname);
                             } else if ((oldActLanName == actLanSsidName.at(kk)) && (oldDbusActLanDNS != objKyDBus->dbusActLanDNS)) {
                                 //在第三方nm-connection-editor进行新的DNS配置后，重新连接网络
                                 objKyDBus->connectWiredNet(nname);