diff --git a/src/kylinnetworkdeviceresource.cpp b/src/kylinnetworkdeviceresource.cpp
index 820100ba..464915bd 100644
--- a/src/kylinnetworkdeviceresource.cpp
+++ b/src/kylinnetworkdeviceresource.cpp
@@ -5,6 +5,9 @@ KyNetworkDeviceResourse::KyNetworkDeviceResourse()
 {
     m_networkResourceInstance = KyNetworkResourceManager::getInstance();
 
+    m_activeConnectUuidList.clear();
+    //TODO::get uuid from settings for system reboot;
+
     connect(m_networkResourceInstance, &KyNetworkResourceManager::deviceAdd, this, &KyNetworkDeviceResourse::deviceAdd);
     connect(m_networkResourceInstance, &KyNetworkResourceManager::deviceRemove, this, &KyNetworkDeviceResourse::deviceRemove);
 
@@ -141,3 +144,62 @@ void KyNetworkDeviceResourse::DeviceSpeed(QString deviceName, KyConnectItem *wir
 }
 #endif
 
+
+void KyNetworkDeviceResourse::disconnectDevice()
+{
+    NetworkManager::Device::List networkDeviceList =
+                        m_networkResourceInstance->getNetworkDeviceList();
+
+    if (networkDeviceList.isEmpty()) {
+        qDebug()<<"[KyNetworkDeviceResourse]"<<"the network device is empty, no need disconnect.";
+        return;
+    }
+
+    m_activeConnectUuidList.clear();
+
+    for (int index = 0; index < networkDeviceList.size(); ++index) {
+        NetworkManager::Device::Ptr networkDevicePtr = networkDeviceList.at(index);
+        if (networkDevicePtr->isValid() &&
+                NetworkManager::Device::Type::Ethernet == networkDevicePtr->type()) {
+            NetworkManager::ActiveConnection::Ptr activeConnectPtr = networkDevicePtr->activeConnection();
+            QString activeConnectUuid = activeConnectPtr->uuid();
+            if (!activeConnectUuid.isEmpty()) {
+                m_activeConnectUuidList<<activeConnectUuid;
+                //TODO:save uuid for system reboot.
+            }
+            networkDevicePtr->disconnectInterface();
+        }
+        networkDevicePtr = nullptr;
+    }
+
+    return;
+}
+
+void KyNetworkDeviceResourse::setDeviceAutoConnect()
+{
+    NetworkManager::Device::List networkDeviceList =
+                        m_networkResourceInstance->getNetworkDeviceList();
+
+    if (networkDeviceList.isEmpty()) {
+        qDebug()<<"[KyNetworkDeviceResourse]" << "the network device is empty,so no need set auto connect.";
+        return;
+    }
+
+    for (int index = 0; index < m_activeConnectUuidList.size(); ++index) {
+        QString connectUuid = m_activeConnectUuidList.at(index);
+        wiredOperation.activateConnection(connectUuid);
+        qDebug()<<"[KyNetworkDeviceResourse]" << "active connect uuid"<< connectUuid;
+    }
+
+    for (int index = 0; index < networkDeviceList.size(); ++index) {
+        NetworkManager::Device::Ptr networkDevicePtr = networkDeviceList.at(index);
+        if (networkDevicePtr->isValid()
+            && NetworkManager::Device::Type::Ethernet == networkDevicePtr->type()) {
+            networkDevicePtr->setAutoconnect(true);
+        }
+        networkDevicePtr = nullptr;
+    }
+
+    return;
+}
+
diff --git a/src/kylinnetworkdeviceresource.h b/src/kylinnetworkdeviceresource.h
index 710e6838..33a76035 100644
--- a/src/kylinnetworkdeviceresource.h
+++ b/src/kylinnetworkdeviceresource.h
@@ -4,6 +4,7 @@
 #include <QString>
 #include "kylinnetworkresourcemanager.h"
 #include "kylinconnectitem.h"
+#include "kylinwiredconnectoperation.h"
 
 class KyNetworkDeviceResourse : public QObject
 {
@@ -29,8 +30,12 @@ public:
     bool wiredDeviceCarriered(QString deviceName);
     //void DeviceSpeed(QString deviceName, KyWiredConnectItem *wiredItem);
     void setDeviceRefreshRate(QString deviceName, int ms);
+    void disconnectDevice();
+    void setDeviceAutoConnect();
 
 private:
+    KyWiredConnectOperation wiredOperation;
     KyNetworkResourceManager *m_networkResourceInstance = nullptr;
+    QStringList m_activeConnectUuidList;
 };
 #endif // KYLINNETORKDEVICERESOURCE_H
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index fd9b42d8..09d9bb42 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -1412,7 +1412,10 @@ void MainWindow::onBtnLanClicked(int flag)
 {
     switch (flag) {
     case 0: {
-        qDebug()<<"On btnWired clicked! will close switch button";
+        qDebug()<<"On btnWired clicked! will close switch button----------------------------";
+        m_networkDevice.disconnectDevice();
+        emit this->onWiredDeviceChanged(false);
+#if 0
         QtConcurrent::run([=]() {
             QString close_device_cmd = "nmcli device set " + llname + " managed false";
             int res = system(close_device_cmd.toUtf8().data());
@@ -1423,10 +1426,14 @@ void MainWindow::onBtnLanClicked(int flag)
                 qWarning()<<"Close ethernet device failed!";
             }
         });
+#endif
         break;
     }
     case 1: {
-        qDebug()<<"On btnWired clicked! will open switch button";
+        qDebug()<<"On btnWired clicked! will open switch button++++++++++++++++++++++++++++";
+        m_networkDevice.setDeviceAutoConnect();
+         emit this->onWiredDeviceChanged(true);
+#if 0
         QtConcurrent::run([=]() {
             QString open_device_cmd = "nmcli device set " + llname + " managed true";
             int res = system(open_device_cmd.toUtf8().data());
@@ -1437,6 +1444,7 @@ void MainWindow::onBtnLanClicked(int flag)
                 qWarning()<<"Open ethernet device failed!";
             }
         });
+#endif
         break;
     }
     case 2: {
diff --git a/src/mainwindow.h b/src/mainwindow.h
index d22fc96a..5f8cb0ab 100644
--- a/src/mainwindow.h
+++ b/src/mainwindow.h
@@ -212,6 +212,8 @@ public:
     int m_priHei;
 
     QStringList m_wifi_list_pwd_changed; //WiFi密码以改变的WiFi列表（990/9a0自动回连失败）
+    KyNetworkDeviceResourse m_networkDevice;
+
 
 public slots:
     void onPhysicalCarrierChanged(bool flag);