fix: replace old ineffective check ip

l2tpmode.cpp

@@ -164,7 +164,7 @@ void MainWindow::setModeToL2tp()
                                         QStringList()
                                             << "-n"
                                             << "1"
-                                            << settings->value("L2TP/CheckIp", "39.156.66.10").toString()
+                                            << settings->value("L2TP/CheckIp", "223.5.5.5").toString()
                                     );
                                 });
 

mainwindow.cpp

@@ -794,6 +794,13 @@ void MainWindow::upgradeSettings()
             }
         }
 
+        // Replace old ineffective check ip
+        if (settings->value("L2TP/CheckIp", "223.5.5.5").toString() == "39.156.66.10")
+        {
+            settings->setValue("L2TP/CheckIp", "223.5.5.5");
+            settings->sync();
+        }
+
         return;
     }
 

networkdetector/networkdetector.cpp

@@ -164,7 +164,7 @@ void NetworkDetector::checkInternet()
         checkProxy();
     });
 
-    process->start("ping", QStringList() << "39.156.66.10" << "-n" << "1");
+    process->start("ping", QStringList() << "223.5.5.5" << "-n" << "1");
 }
 
 void NetworkDetector::checkProxy()

settingwindow/settingwindow.cpp

@@ -72,7 +72,7 @@ SettingWindow::SettingWindow(QWidget *parent, QSettings *inputSettings) :
         ui->l2tpAutoCheckComboBox->setCurrentText("否");
     }
 
-    ui->l2tpCheckIpLineEdit->setText(settings->value("L2TP/CheckIp", "39.156.66.10").toString());
+    ui->l2tpCheckIpLineEdit->setText(settings->value("L2TP/CheckIp", "223.5.5.5").toString());
     ui->l2tpCheckTimeSpinBox->setValue(settings->value("L2TP/CheckTime", 600).toInt());
 
     if (settings->value("WebLogin/IntlUrl", false).toBool())

settingwindow/settingwindow.ui

@@ -286,7 +286,7 @@
        <item row="2" column="1">
         <widget class="QLineEdit" name="l2tpCheckIpLineEdit">
          <property name="text">
-          <string>39.156.66.10</string>
+          <string>223.5.5.5</string>
          </property>
         </widget>
        </item>