diff --git a/plugins/bluetooth/bluetoothapplet.cpp b/plugins/bluetooth/bluetoothapplet.cpp
index 2ac4412f6..4462d46ce 100644
--- a/plugins/bluetooth/bluetoothapplet.cpp
+++ b/plugins/bluetooth/bluetoothapplet.cpp
@@ -21,11 +21,12 @@
  */
 
 #include "bluetoothapplet.h"
-
 #include "componments/switchitem.h"
 #include "componments/deviceitem.h"
 #include "componments/adapter.h"
 #include "componments/switchitem.h"
+#include "componments/adaptersmanager.h"
+#include "componments/adapteritem.h"
 
 const int Width = 200;
 
diff --git a/plugins/bluetooth/bluetoothapplet.h b/plugins/bluetooth/bluetoothapplet.h
index 58f9bce67..20feced90 100644
--- a/plugins/bluetooth/bluetoothapplet.h
+++ b/plugins/bluetooth/bluetoothapplet.h
@@ -23,13 +23,16 @@
 #ifndef BLUETOOTHAPPLET_H
 #define BLUETOOTHAPPLET_H
 
-#include "componments/adaptersmanager.h"
-#include "componments/adapteritem.h"
+#include "componments/device.h"
 
+#include <QScrollArea>
 #include <QLabel>
 #include <QVBoxLayout>
 
+class Adapter;
 class AdapterItem;
+class HorizontalSeparator;
+class AdaptersManager;
 class BluetoothApplet : public QScrollArea
 {
     Q_OBJECT
@@ -45,7 +48,7 @@ public slots :
 
 signals:
     void powerChanged(bool state);
-    void deviceStateChanged(int state);
+    void deviceStateChanged(const Device::State state);
     void noAdapter();
 
 private:
diff --git a/plugins/bluetooth/bluetoothitem.cpp b/plugins/bluetooth/bluetoothitem.cpp
index 094c15fff..4e7fcb0fc 100644
--- a/plugins/bluetooth/bluetoothitem.cpp
+++ b/plugins/bluetooth/bluetoothitem.cpp
@@ -22,18 +22,16 @@
 
 #include "bluetoothitem.h"
 #include "constants.h"
-#include "bluetoothapplet.h"
-
-#include <QPainter>
-#include <QIcon>
-#include <QMouseEvent>
-#include <QApplication>
-#include <DApplication>
-#include <DDBusSender>
 #include "../widgets/tipswidget.h"
 #include "../frame/util/imageutil.h"
+#include "bluetoothapplet.h"
+
+#include <DApplication>
+#include <DDBusSender>
 #include <DGuiApplicationHelper>
 
+#include <QPainter>
+
 // menu actions
 #define SHIFT     "shift"
 #define SETTINGS "settings"
@@ -53,7 +51,7 @@ BluetoothItem::BluetoothItem(QWidget *parent)
         m_adapterPowered = powered;
         refreshIcon();
     });
-    connect(m_applet, &BluetoothApplet::deviceStateChanged, [&](int state) {
+    connect(m_applet, &BluetoothApplet::deviceStateChanged, [&](const Device::State state) {
         m_devState = state;
         refreshIcon();
     });
@@ -123,7 +121,7 @@ void BluetoothItem::refreshIcon()
 
     QString stateString;
 
-    m_adapterPowered ? (m_devState == 2 ? stateString = "waiting" : stateString = "active") : stateString = "disable";
+    m_adapterPowered ? (m_devState == Device::StateConnected ? stateString = "waiting" : stateString = "active") : stateString = "disable";
 
     QString iconString = QString("bluetooth-%1-symbolic").arg(stateString);
 
diff --git a/plugins/bluetooth/bluetoothitem.h b/plugins/bluetooth/bluetoothitem.h
index bac321a61..479b866f4 100644
--- a/plugins/bluetooth/bluetoothitem.h
+++ b/plugins/bluetooth/bluetoothitem.h
@@ -23,8 +23,9 @@
 #ifndef BLUETOOTHITEM_H
 #define BLUETOOTHITEM_H
 
+#include "componments/device.h"
+
 #include <QWidget>
-#include <QIcon>
 
 #define BLUETOOTH_KEY "bluetooth-item-key"
 
@@ -60,7 +61,7 @@ private:
     BluetoothApplet *m_applet;
     QPixmap m_iconPixmap;
 
-    int m_devState;
+    Device::State m_devState;
     bool m_adapterPowered;
 };
 
diff --git a/plugins/bluetooth/componments/adapter.cpp b/plugins/bluetooth/componments/adapter.cpp
index 35e0405b0..f94e9407d 100644
--- a/plugins/bluetooth/componments/adapter.cpp
+++ b/plugins/bluetooth/componments/adapter.cpp
@@ -21,6 +21,7 @@
  */
 
 #include "adapter.h"
+#include "device.h"
 
 #include <QJsonObject>
 #include <QJsonDocument>
@@ -88,7 +89,6 @@ void Adapter::updateDevice(const QJsonObject &json)
 
     auto constdevice = m_devices.value(id);
     auto device = const_cast<Device *>(constdevice);
-
     if (device) {
         device->setId(id);
         device->setName(name);
diff --git a/plugins/bluetooth/componments/adapter.h b/plugins/bluetooth/componments/adapter.h
index 0b9a265bd..efad96230 100644
--- a/plugins/bluetooth/componments/adapter.h
+++ b/plugins/bluetooth/componments/adapter.h
@@ -23,8 +23,10 @@
 #ifndef ADAPTER_H
 #define ADAPTER_H
 
-#include "device.h"
+#include <QObject>
+#include <QMap>
 
+class Device;
 class Adapter : public QObject
 {
     Q_OBJECT
diff --git a/plugins/bluetooth/componments/adapteritem.cpp b/plugins/bluetooth/componments/adapteritem.cpp
index f5c2c22d4..2c192098b 100644
--- a/plugins/bluetooth/componments/adapteritem.cpp
+++ b/plugins/bluetooth/componments/adapteritem.cpp
@@ -1,3 +1,25 @@
+/*
+ * Copyright (C) 2016 ~ 2018 Deepin Technology Co., Ltd.
+ *
+ * Author:     zhaolong <zhaolong@uniontech.com>
+ *
+ * Maintainer: zhaolong <zhaolong@uniontech.com>
+ *
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include "adapteritem.h"
 #include "switchitem.h"
 #include "deviceitem.h"
@@ -30,7 +52,6 @@ AdapterItem::AdapterItem(AdaptersManager *adapterManager, Adapter *adapter, QWid
     m_switchItem->setTitle(adapter->name());
     m_switchItem->setChecked(adapter->powered());
 
-//    m_deviceLayout->setMargin(5);
     m_deviceLayout->addWidget(m_switchItem);
     m_deviceLayout->addWidget(m_line);
     m_deviceLayout->addWidget(m_devGoupName);
@@ -146,6 +167,7 @@ void AdapterItem::createDeviceItem(Device *device)
 {
     if (!device)
         return;
+
     auto paired = device->paired();
     auto deviceId = device->id();
     auto deviceItem = new DeviceItem(device->name(), this);
@@ -153,12 +175,13 @@ void AdapterItem::createDeviceItem(Device *device)
     m_deviceItems[deviceId] = deviceItem;
     if (paired)
         m_pairedDeviceItems[deviceId] = deviceItem;
+    deviceItem->setVisible(paired);
+
     connect(device, &Device::pairedChanged, this, &AdapterItem::deviceItemPaired);
     connect(device, &Device::nameChanged, deviceItem, &DeviceItem::setTitle);
     connect(device, &Device::stateChanged, deviceItem, &DeviceItem::chaneState);
     connect(device, &Device::stateChanged, this, &AdapterItem::deviceStateChanged);
     connect(deviceItem, &DeviceItem::clicked, m_adaptersManager, &AdaptersManager::connectDevice);
-    deviceItem->setVisible(paired);
 }
 
 void AdapterItem::updateView()
diff --git a/plugins/bluetooth/componments/adapteritem.h b/plugins/bluetooth/componments/adapteritem.h
index 88141ac1c..991765299 100644
--- a/plugins/bluetooth/componments/adapteritem.h
+++ b/plugins/bluetooth/componments/adapteritem.h
@@ -1,6 +1,30 @@
+/*
+ * Copyright (C) 2016 ~ 2018 Deepin Technology Co., Ltd.
+ *
+ * Author:     zhaolong <zhaolong@uniontech.com>
+ *
+ * Maintainer: zhaolong <zhaolong@uniontech.com>
+ *
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef ADAPTERITEM_H
 #define ADAPTERITEM_H
 
+#include "device.h"
+
 #include <QScrollArea>
 #include <QMap>
 #include <QVBoxLayout>
@@ -10,7 +34,6 @@ class HorizontalSeparator;
 class Adapter;
 class SwitchItem;
 class DeviceItem;
-class Device;
 class AdaptersManager;
 class MenueItem;
 class AdapterItem : public QScrollArea
@@ -23,7 +46,7 @@ public:
     void setPowered(bool powered);
 
 signals:
-    void deviceStateChanged(int state);
+    void deviceStateChanged(const Device::State state);
     void powerChanged(bool powered);
     void sizeChange();
 
diff --git a/plugins/bluetooth/componments/adaptersmanager.cpp b/plugins/bluetooth/componments/adaptersmanager.cpp
index fcb43b723..d7eea02a5 100644
--- a/plugins/bluetooth/componments/adaptersmanager.cpp
+++ b/plugins/bluetooth/componments/adaptersmanager.cpp
@@ -21,6 +21,8 @@
  */
 
 #include "adaptersmanager.h"
+#include "adapter.h"
+#include "device.h"
 
 #include <QDBusInterface>
 #include <QDBusReply>
@@ -99,15 +101,12 @@ void AdaptersManager::setAdapterPowered(const Adapter *adapter, const bool &powe
         if (powered) {
             QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(call, this);
             connect(watcher, &QDBusPendingCallWatcher::finished, [this, call, adapter] {
-                if (!call.isError())
-                {
+                if (!call.isError()) {
                     QDBusObjectPath dPath(adapter->id());
                     m_bluetoothInter->SetAdapterDiscoverableTimeout(dPath, 60 * 5);
                     m_bluetoothInter->SetAdapterDiscoverable(dPath, true);
-
                     m_bluetoothInter->RequestDiscovery(dPath);
-                } else
-                {
+                } else {
                     qWarning() << call.error().message();
                 }
             });
@@ -132,16 +131,14 @@ void AdaptersManager::connectDevice(Device *device)
     if (device) {
         QDBusObjectPath path(device->id());
         switch (device->state()) {
-        case 0:
-        {
+        case Device::StateUnavailable: {
             m_bluetoothInter->ConnectDevice(path);
             qDebug() << "connect to device: " << device->name();
         }
             break;
-        case 1:
+        case Device::StateAvailable:
             break;
-        case 2:
-        {
+        case Device::StateConnected: {
             m_bluetoothInter->DisconnectDevice(path);
             qDebug() << "disconnect device: " << device->name();
         }
@@ -247,9 +244,8 @@ void AdaptersManager::adapterAdd(Adapter *adapter, const QJsonObject &adpterObj)
     QDBusPendingCall call = m_bluetoothInter->GetDevices(dPath);
     QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(call, this);
     connect(watcher, &QDBusPendingCallWatcher::finished, [this, adapter, call, watcher] {
-        if (adapter)
-        {
-            if (!call.isError())  {
+        if (adapter) {
+            if (!call.isError()) {
                 QDBusReply<QString> reply = call.reply();
                 const QString replyStr = reply.value();
                 auto doc = QJsonDocument::fromJson(replyStr.toUtf8());
diff --git a/plugins/bluetooth/componments/adaptersmanager.h b/plugins/bluetooth/componments/adaptersmanager.h
index 39c073dc8..ecb4e5f99 100644
--- a/plugins/bluetooth/componments/adaptersmanager.h
+++ b/plugins/bluetooth/componments/adaptersmanager.h
@@ -23,11 +23,11 @@
 #ifndef ADAPTERSMANAGER_H
 #define ADAPTERSMANAGER_H
 
-#include "adapter.h"
-
 #include <com_deepin_daemon_bluetooth.h>
 using  DBusBluetooth = com::deepin::daemon::Bluetooth;
 
+class Adapter;
+class Device;
 class AdaptersManager : public QObject
 {
     Q_OBJECT
diff --git a/plugins/bluetooth/componments/device.h b/plugins/bluetooth/componments/device.h
index 103a39864..199d8fb68 100644
--- a/plugins/bluetooth/componments/device.h
+++ b/plugins/bluetooth/componments/device.h
@@ -65,7 +65,7 @@ public:
 Q_SIGNALS:
     void nameChanged(const QString &name) const;
     void pairedChanged(const bool paired) const;
-    void stateChanged(int state) const;
+    void stateChanged(const State state) const;
     void trustedChanged(const bool trusted) const;
     void connectingChanged(const bool &connecting) const;
 
diff --git a/plugins/bluetooth/componments/deviceitem.cpp b/plugins/bluetooth/componments/deviceitem.cpp
index d7865ffe7..f1d06ba49 100644
--- a/plugins/bluetooth/componments/deviceitem.cpp
+++ b/plugins/bluetooth/componments/deviceitem.cpp
@@ -22,13 +22,11 @@
 
 #include "deviceitem.h"
 
-#include "device.h"
-
 #include <DStyle>
+
 #include <QHBoxLayout>
 #include <QPainter>
 
-
 DeviceItem::DeviceItem(const QString &title, QWidget *parent)
     : QWidget(parent)
     , m_title(new QLabel(title, this))
@@ -70,7 +68,7 @@ void DeviceItem::enterEvent(QEvent *event)
 {
     QWidget::enterEvent(event);
     if (m_device) {
-        if (2 == m_device->state()) {
+        if (Device::StateConnected == m_device->state()) {
             m_state->setPixmap(QPixmap(":/notify_close_press@2x.png"));
         }
     }
@@ -80,30 +78,30 @@ void DeviceItem::leaveEvent(QEvent *event)
 {
     QWidget::enterEvent(event);
     if (m_device) {
-        if (2 == m_device->state()) {
+        if (Device::StateConnected == m_device->state()) {
             m_state->setPixmap(QPixmap(":/list_select@2x.png"));
         }
     }
 }
 
-void DeviceItem::chaneState(int state)
+void DeviceItem::chaneState(const Device::State state)
 {
     switch (state) {
-    case 0: {
+    case Device::StateUnavailable: {
         m_state->setVisible(false);
         m_loadingStat->stop();
         m_loadingStat->hide();
         m_loadingStat->setVisible(false);
     }
         break;
-    case 1: {
+    case Device::StateAvailable: {
         m_state->setVisible(false);
         m_loadingStat->start();
         m_loadingStat->show();
         m_loadingStat->setVisible(true);
     }
         break;
-    case 2: {
+    case Device::StateConnected: {
         m_loadingStat->stop();
         m_loadingStat->hide();
         m_loadingStat->setVisible(false);
diff --git a/plugins/bluetooth/componments/deviceitem.h b/plugins/bluetooth/componments/deviceitem.h
index 592cbf697..81f59b193 100644
--- a/plugins/bluetooth/componments/deviceitem.h
+++ b/plugins/bluetooth/componments/deviceitem.h
@@ -23,12 +23,14 @@
 #ifndef DEVICEITEM_H
 #define DEVICEITEM_H
 
+#include "device.h"
+
 #include <DSpinner>
+
 #include <QLabel>
 
 DWIDGET_USE_NAMESPACE
 
-class Device;
 class HorizontalSeparator;
 class DeviceItem : public QWidget
 {
@@ -50,7 +52,7 @@ signals:
     void clicked(Device *);
 
 public slots:
-    void chaneState(int state);
+    void chaneState(const Device::State state);
 
 private:
     QLabel *m_title;