diff --git a/QtScrcpy/device/device.cpp b/QtScrcpy/device/device.cpp
index 9b4f0e5..c152e06 100644
--- a/QtScrcpy/device/device.cpp
+++ b/QtScrcpy/device/device.cpp
@@ -35,13 +35,7 @@ Device::Device(DeviceParams params, QObject *parent)
         m_fileHandler = new FileHandler(this);
         m_controller = new Controller(params.gameScript, this);
         m_videoForm = new VideoForm(Config::getInstance().getSkin());
-        m_videoForm->setSerial(m_params.serial);
-        if (m_controller) {
-            m_videoForm->setController(m_controller);
-        }
-        if (m_fileHandler) {
-            m_videoForm->setFileHandler(m_fileHandler);
-        }
+        m_videoForm->setDevice(this);
         m_videoForm->show();
     }
 
@@ -91,11 +85,21 @@ Controller *Device::getController()
     return m_controller;
 }
 
+FileHandler *Device::getFileHandler()
+{
+    return m_fileHandler;
+}
+
 Server *Device::getServer()
 {
     return m_server;
 }
 
+const QString &Device::getSerial()
+{
+    return m_params.serial;
+}
+
 void Device::updateScript(QString script)
 {
     if(m_controller){
diff --git a/QtScrcpy/device/device.h b/QtScrcpy/device/device.h
index cfccc54..2fb8917 100644
--- a/QtScrcpy/device/device.h
+++ b/QtScrcpy/device/device.h
@@ -35,7 +35,9 @@ public:
 
     VideoForm *getVideoForm();
     Controller *getController();
+    FileHandler *getFileHandler();
     Server *getServer();
+    const QString &getSerial();
 
     void updateScript(QString script);
 
diff --git a/QtScrcpy/device/ui/toolform.cpp b/QtScrcpy/device/ui/toolform.cpp
index ea09914..452d6d6 100644
--- a/QtScrcpy/device/ui/toolform.cpp
+++ b/QtScrcpy/device/ui/toolform.cpp
@@ -6,6 +6,7 @@
 #include "toolform.h"
 #include "ui_toolform.h"
 #include "iconhelper.h"
+#include "device.h"
 #include "videoform.h"
 #include "controller.h"
 #include "adbprocess.h"
@@ -18,8 +19,6 @@ ToolForm::ToolForm(QWidget* adsorbWidget, AdsorbPositions adsorbPos)
     setWindowFlags(windowFlags() | Qt::FramelessWindowHint);
     //setWindowFlags(windowFlags() & ~Qt::WindowMinMaxButtonsHint);
 
-    m_videoForm = dynamic_cast<VideoForm*>(adsorbWidget);
-
     initStyle();
 }
 
@@ -28,6 +27,11 @@ ToolForm::~ToolForm()
     delete ui;
 }
 
+void ToolForm::setDevice(Device *device)
+{
+    m_device = device;
+}
+
 void ToolForm::initStyle()
 {
     IconHelper::Instance()->SetIcon(ui->fullScreenBtn, QChar(0xf0b2), 15);
@@ -43,6 +47,19 @@ void ToolForm::initStyle()
     IconHelper::Instance()->SetIcon(ui->expandNotifyBtn, QChar(0xf103), 15);
     IconHelper::Instance()->SetIcon(ui->screenShotBtn, QChar(0xf0c4), 15);
     IconHelper::Instance()->SetIcon(ui->touchBtn, QChar(0xf111), 15);
+    IconHelper::Instance()->SetIcon(ui->groupControlBtn, QChar(0xf0c0), 15);
+}
+
+void ToolForm::updateGroupControl()
+{
+    if (!m_device || !m_device->getVideoForm()) {
+        return;
+    }
+    if (m_device->getVideoForm()->mainControl()) {
+        ui->groupControlBtn->setStyleSheet("color: red");
+    } else {
+        ui->groupControlBtn->setStyleSheet("color: #DCDCDC");
+    }
 }
 
 void ToolForm::mousePressEvent(QMouseEvent *event)
@@ -80,44 +97,50 @@ void ToolForm::hideEvent(QHideEvent *event)
 
 void ToolForm::on_fullScreenBtn_clicked()
 {
-    if (m_videoForm) {
-        m_videoForm->switchFullScreen();
+    if (!m_device || !m_device->getVideoForm()) {
+        return;
     }
+    m_device->getVideoForm()->switchFullScreen();
 }
 
 void ToolForm::on_returnBtn_clicked()
 {
-    if (m_videoForm && m_videoForm->getController()) {
-        m_videoForm->getController()->postGoBack();
+    if (!m_device || !m_device->getController()) {
+        return;
     }
+    m_device->getController()->postGoBack();
 }
 
 void ToolForm::on_homeBtn_clicked()
 {
-    if (m_videoForm && m_videoForm->getController()) {
-        m_videoForm->getController()->postGoHome();
+    if (!m_device || !m_device->getController()) {
+        return;
     }
+    m_device->getController()->postGoHome();
 }
 
 void ToolForm::on_menuBtn_clicked()
 {
-    if (m_videoForm && m_videoForm->getController()) {
-        m_videoForm->getController()->postGoMenu();
+    if (!m_device || !m_device->getController()) {
+        return;
     }
+    m_device->getController()->postGoMenu();
 }
 
 void ToolForm::on_appSwitchBtn_clicked()
 {
-    if (m_videoForm && m_videoForm->getController()) {
-        m_videoForm->getController()->postAppSwitch();
+    if (!m_device || !m_device->getController()) {
+        return;
     }
+    m_device->getController()->postAppSwitch();
 }
 
 void ToolForm::on_powerBtn_clicked()
 {
-    if (m_videoForm && m_videoForm->getController()) {
-        m_videoForm->getController()->postPower();
+    if (!m_device || !m_device->getController()) {
+        return;
     }
+    m_device->getController()->postPower();
 }
 
 void ToolForm::on_screenShotBtn_clicked()
@@ -127,35 +150,39 @@ void ToolForm::on_screenShotBtn_clicked()
 
 void ToolForm::on_volumeUpBtn_clicked()
 {
-    if (m_videoForm && m_videoForm->getController()) {
-        m_videoForm->getController()->postVolumeUp();
+    if (!m_device || !m_device->getController()) {
+        return;
     }
+    m_device->getController()->postVolumeUp();
 }
 
 void ToolForm::on_volumeDownBtn_clicked()
 {
-    if (m_videoForm && m_videoForm->getController()) {
-        m_videoForm->getController()->postVolumeDown();
+    if (!m_device || !m_device->getController()) {
+        return;
     }
+    m_device->getController()->postVolumeDown();
 }
 
 void ToolForm::on_closeScreenBtn_clicked()
 {
-    if (m_videoForm && m_videoForm->getController()) {
-        m_videoForm->getController()->setScreenPowerMode(ControlMsg::SPM_OFF);
+    if (!m_device || !m_device->getController()) {
+        return;
     }
+     m_device->getController()->setScreenPowerMode(ControlMsg::SPM_OFF);
 }
 
 void ToolForm::on_expandNotifyBtn_clicked()
 {
-    if (m_videoForm && m_videoForm->getController()) {
-        m_videoForm->getController()->expandNotificationPanel();
+    if (!m_device || !m_device->getController()) {
+        return;
     }
+    m_device->getController()->expandNotificationPanel();
 }
 
 void ToolForm::on_touchBtn_clicked()
 {
-    if (!m_videoForm) {
+    if (!m_device) {
         return;
     }
 
@@ -170,7 +197,16 @@ void ToolForm::on_touchBtn_clicked()
             sender()->deleteLater();
         }
     });
-    adb->setShowTouchesEnabled(m_videoForm->getSerial(), m_showTouch);
+    adb->setShowTouchesEnabled(m_device->getSerial(), m_showTouch);
 
     qInfo() << "show touch " << (m_showTouch ? "enable" : "disable");
 }
+
+void ToolForm::on_groupControlBtn_clicked()
+{
+    if (!m_device || !m_device->getVideoForm()) {
+        return;
+    }
+    m_device->getVideoForm()->setMainControl(!m_device->getVideoForm()->mainControl());
+    updateGroupControl();
+}
diff --git a/QtScrcpy/device/ui/toolform.h b/QtScrcpy/device/ui/toolform.h
index 4b63a35..678a984 100644
--- a/QtScrcpy/device/ui/toolform.h
+++ b/QtScrcpy/device/ui/toolform.h
@@ -10,7 +10,7 @@ namespace Ui {
 class ToolForm;
 }
 
-class VideoForm;
+class Device;
 class ToolForm : public MagneticWidget
 {
     Q_OBJECT
@@ -19,6 +19,8 @@ public:
     explicit ToolForm(QWidget* adsorbWidget, AdsorbPositions adsorbPos);
     ~ToolForm();
 
+    void setDevice(Device *device);
+
 protected:
     void mousePressEvent(QMouseEvent *event);
     void mouseReleaseEvent(QMouseEvent *event);
@@ -55,13 +57,16 @@ private slots:
 
     void on_touchBtn_clicked();
 
+    void on_groupControlBtn_clicked();
+
 private:
     void initStyle();
+    void updateGroupControl();
 
 private:
     Ui::ToolForm *ui;
     QPoint m_dragPosition;
-    QPointer<VideoForm> m_videoForm;
+    QPointer<Device> m_device;
     bool m_showTouch = false;
 };
 
diff --git a/QtScrcpy/device/ui/toolform.ui b/QtScrcpy/device/ui/toolform.ui
index e2bd9fb..77a2a0e 100644
--- a/QtScrcpy/device/ui/toolform.ui
+++ b/QtScrcpy/device/ui/toolform.ui
@@ -20,6 +20,13 @@
    <property name="topMargin">
     <number>30</number>
    </property>
+   <item>
+    <widget class="QPushButton" name="groupControlBtn">
+     <property name="text">
+      <string/>
+     </property>
+    </widget>
+   </item>
    <item>
     <widget class="QPushButton" name="fullScreenBtn">
      <property name="toolTip">
diff --git a/QtScrcpy/device/ui/videoform.cpp b/QtScrcpy/device/ui/videoform.cpp
index 82a51e2..4b5997e 100644
--- a/QtScrcpy/device/ui/videoform.cpp
+++ b/QtScrcpy/device/ui/videoform.cpp
@@ -15,6 +15,7 @@
 #include "ui_videoform.h"
 #include "iconhelper.h"
 #include "toolform.h"
+#include "device.h"
 #include "controller.h"
 #include "filehandler.h"
 #include "config.h"
@@ -98,6 +99,7 @@ void VideoForm::showToolForm(bool show)
 {
     if (!m_toolForm) {
         m_toolForm = new ToolForm(this, ToolForm::AP_OUTSIDE_RIGHT);
+        m_toolForm->setDevice(m_device);
         connect(m_toolForm, &ToolForm::screenshot, this, &VideoForm::screenshot);
     }
     m_toolForm->move(pos().x() + geometry().width(), pos().y() + 30);
@@ -253,39 +255,38 @@ void VideoForm::staysOnTop(bool top)
     }
 }
 
-Controller *VideoForm::getController()
+Device *VideoForm::getDevice()
 {
-    return m_controller;
+    return m_device;
 }
 
-void VideoForm::setFileHandler(FileHandler *fileHandler)
+void VideoForm::setMainControl(bool mainControl)
 {
-    m_fileHandler = fileHandler;
+    if (m_mainControl == mainControl) {
+        return;
+    }
+    m_mainControl = mainControl;
+    emit mainControlChange(this, m_mainControl);
 }
 
-void VideoForm::setSerial(const QString &serial)
+bool VideoForm::mainControl()
 {
-    m_serial = serial;
+    return m_mainControl;
 }
 
-const QString &VideoForm::getSerial()
+void VideoForm::setDevice(Device *device)
 {
-    return m_serial;
-}
-
-void VideoForm::setController(Controller *controller)
-{
-    m_controller = controller;
+    m_device = device;
 }
 
 void VideoForm::mousePressEvent(QMouseEvent *event)
 {
     if (m_videoWidget->geometry().contains(event->pos())) {
-        if (!m_controller) {
+        if (!m_device || !m_device->getController()) {
             return;
         }
         event->setLocalPos(m_videoWidget->mapFrom(this, event->localPos().toPoint()));
-        m_controller->mouseEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
+        m_device->getController()->mouseEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
     } else {
         if (event->button() == Qt::LeftButton) {
             m_dragPosition = event->globalPos() - frameGeometry().topLeft();
@@ -297,7 +298,7 @@ void VideoForm::mousePressEvent(QMouseEvent *event)
 void VideoForm::mouseReleaseEvent(QMouseEvent *event)
 {
     if (m_dragPosition.isNull()) {
-        if (!m_controller) {
+        if (!m_device || !m_device->getController()) {
             return;
         }
         event->setLocalPos(m_videoWidget->mapFrom(this, event->localPos().toPoint()));
@@ -316,7 +317,7 @@ void VideoForm::mouseReleaseEvent(QMouseEvent *event)
             local.setY(m_videoWidget->height());
         }
         event->setLocalPos(local);
-        m_controller->mouseEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
+        m_device->getController()->mouseEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
     } else {
         m_dragPosition = QPoint(0, 0);
     }
@@ -325,11 +326,11 @@ void VideoForm::mouseReleaseEvent(QMouseEvent *event)
 void VideoForm::mouseMoveEvent(QMouseEvent *event)
 {
     if (m_videoWidget->geometry().contains(event->pos())) {
-        if (!m_controller) {
+        if (!m_device || !m_device->getController()) {
             return;
         }
         event->setLocalPos(m_videoWidget->mapFrom(this, event->localPos().toPoint()));
-        m_controller->mouseEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
+        m_device->getController()->mouseEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
     } else if (!m_dragPosition.isNull()){
         if (event->buttons() & Qt::LeftButton) {
             move(event->globalPos() - m_dragPosition);
@@ -341,7 +342,7 @@ void VideoForm::mouseMoveEvent(QMouseEvent *event)
 void VideoForm::wheelEvent(QWheelEvent *event)
 {
     if (m_videoWidget->geometry().contains(event->pos())) {
-        if (!m_controller) {
+        if (!m_device || !m_device->getController()) {
             return;
         }
         QPointF pos = m_videoWidget->mapFrom(this, event->pos());
@@ -352,7 +353,7 @@ void VideoForm::wheelEvent(QWheelEvent *event)
         */
         QWheelEvent wheelEvent(pos, event->globalPosF(), event->delta(),
                                event->buttons(), event->modifiers(), event->orientation());
-        m_controller->wheelEvent(&wheelEvent, m_videoWidget->frameSize(), m_videoWidget->size());
+        m_device->getController()->wheelEvent(&wheelEvent, m_videoWidget->frameSize(), m_videoWidget->size());
     }
 }
 
@@ -363,30 +364,30 @@ void VideoForm::keyPressEvent(QKeyEvent *event)
             && isFullScreen()) {
         switchFullScreen();
     }
-    if (!m_controller) {
+    if (!m_device || !m_device->getController()) {
         return;
     }
     if (event->key() == Qt::Key_C && (event->modifiers() & Qt::ControlModifier)) {
-        m_controller->requestDeviceClipboard();
+        m_device->getController()->requestDeviceClipboard();
     }
     if (event->key() == Qt::Key_V && (event->modifiers() & Qt::ControlModifier)) {
         if (event->modifiers() & Qt::ShiftModifier) {
-            m_controller->setDeviceClipboard();
+            m_device->getController()->setDeviceClipboard();
         } else {
-            m_controller->clipboardPaste();
+            m_device->getController()->clipboardPaste();
         }
         return;
     }
 
-    m_controller->keyEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
+    m_device->getController()->keyEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
 }
 
 void VideoForm::keyReleaseEvent(QKeyEvent *event)
 {
-    if (!m_controller) {
+    if (!m_device || !m_device->getController()) {
         return;
     }
-    m_controller->keyEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
+    m_device->getController()->keyEvent(event, m_videoWidget->frameSize(), m_videoWidget->size());
 }
 
 void VideoForm::paintEvent(QPaintEvent *paint)
@@ -449,7 +450,7 @@ void VideoForm::dragLeaveEvent(QDragLeaveEvent *event)
 
 void VideoForm::dropEvent(QDropEvent *event)
 {
-    if (!m_fileHandler) {
+    if (!m_device || !m_device->getFileHandler()) {
         return;
     }
     const QMimeData* qm = event->mimeData();
@@ -462,8 +463,8 @@ void VideoForm::dropEvent(QDropEvent *event)
     }
 
     if (fileInfo.isFile() && fileInfo.suffix() == "apk") {
-        m_fileHandler->installApkRequest(m_serial, file);
+        m_device->getFileHandler()->installApkRequest(m_device->getSerial(), file);
         return;
     }
-    m_fileHandler->pushFileRequest(m_serial, file, Config::getInstance().getPushFilePath() + fileInfo.fileName());
+    m_device->getFileHandler()->pushFileRequest(m_device->getSerial(), file, Config::getInstance().getPushFilePath() + fileInfo.fileName());
 }
diff --git a/QtScrcpy/device/ui/videoform.h b/QtScrcpy/device/ui/videoform.h
index aaf598a..6557c64 100644
--- a/QtScrcpy/device/ui/videoform.h
+++ b/QtScrcpy/device/ui/videoform.h
@@ -10,7 +10,7 @@ class videoForm;
 
 struct AVFrame;
 class ToolForm;
-class Controller;
+class Device;
 class FileHandler;
 class QYUVOpenGLWidget;
 class VideoForm : public QWidget
@@ -24,14 +24,14 @@ public:
     void staysOnTop(bool top = true);
     void updateShowSize(const QSize &newSize);
     void updateRender(const AVFrame *frame);
-    void setController(Controller *controller);
-    Controller* getController();
-    void setFileHandler(FileHandler *fileHandler);
-    void setSerial(const QString &serial);
-    const QString& getSerial();
+    void setDevice(Device *device);
+    Device* getDevice();
+    void setMainControl(bool mainControl);
+    bool mainControl();
 
 signals:
     void screenshot();
+    void mainControlChange(VideoForm* videoFrom, bool mainControl);
 
 public slots:
     void onGrabCursor(bool grab);
@@ -74,11 +74,10 @@ private:
     float m_widthHeightRatio = 0.5f;
     bool m_skin = true;
     QPoint m_fullScreenBeforePos;
+    bool m_mainControl = false;
 
     //outside member
-    QString m_serial = "";
-    QPointer<Controller> m_controller;
-    QPointer<FileHandler> m_fileHandler;
+    QPointer<Device> m_device;
 };
 
 #endif // VIDEOFORM_H