diff --git a/frontend/mainwindow.cpp b/frontend/mainwindow.cpp
index 6bcb226..832da4a 100644
--- a/frontend/mainwindow.cpp
+++ b/frontend/mainwindow.cpp
@@ -81,7 +81,6 @@ MainWindow::MainWindow(QWidget *parent) :
     installEventFilter(this);
     initConnections();
 
-
 //    connect(KWindowSystem::self(), &KWindowSystem::activeWindowChanged, this,[&](WId activeWindowId){
 //        qDebug() << "activeWindowChanged!!!" << activeWindowId;
 //            if (activeWindowId != this->winId()) {
@@ -134,8 +133,7 @@ void MainWindow::initUi() {
 void MainWindow::initConnections()
 {
     connect(m_sys_tray_icon, &QSystemTrayIcon::activated, this, &MainWindow::trayIconActivatedSlot);
-    connect(QApplication::primaryScreen(), &QScreen::geometryChanged, this, &MainWindow::monitorResolutionChange);
-    connect(qApp, &QApplication::primaryScreenChanged, this, &MainWindow::primaryScreenChangedSlot);
+    connect(QApplication::primaryScreen(), &QScreen::geometryChanged, this, &MainWindow::ScreenGeometryChanged);
     connect(m_askDialog, &CreateIndexAskDialog::closed, this, [ = ]() {
         m_isAskDialogVisible = false;
     });
@@ -258,21 +256,11 @@ void MainWindow::tryHide()
     this->tryHideMainwindow();
 }
 
-/**
- * @brief monitorResolutionChange  监听屏幕改变
- * @param rect
- */
-void MainWindow::monitorResolutionChange(QRect rect) {
+void MainWindow::ScreenGeometryChanged(QRect rect) {
     Q_UNUSED(rect);
-}
-
-/**
- * @brief primaryScreenChangedSlot 监听分辨率改变
- * @param screen
- */
-void MainWindow::primaryScreenChangedSlot(QScreen *screen) {
-    Q_UNUSED(screen);
-
+    if(this->isVisible()) {
+        centerToScreen(this);
+    }
 }
 
 /**
@@ -336,12 +324,10 @@ void MainWindow::centerToScreen(QWidget* widget) {
     if(!widget)
         return;
     KWindowSystem::setState(this->winId(),NET::SkipTaskbar | NET::SkipPager);
-    QDesktopWidget* m = QApplication::desktop();
-    QRect desk_rect = m->screenGeometry(m->screenNumber(QCursor::pos()));
+    QRect desk_rect = qApp->screenAt(QCursor::pos())->geometry();
     int desk_x = desk_rect.width();
     int desk_y = desk_rect.height();
     int x = widget->width();
-    int y = widget->height();
     widget->show();
     kdk::WindowManager::setGeometry(this->windowHandle(),QRect(desk_x / 2 - x / 2 + desk_rect.left(),
                                                desk_y / 3 + desk_rect.top(),
diff --git a/frontend/mainwindow.h b/frontend/mainwindow.h
index 7c03cfd..cb5ed84 100644
--- a/frontend/mainwindow.h
+++ b/frontend/mainwindow.h
@@ -87,16 +87,8 @@ public:
     bool eventFilter(QObject *watched, QEvent *event) override;
 
 public Q_SLOTS:
-    /**
-     * @brief Monitor screen resolution
-     * @param rect: Screen resolution
-     */
-    void monitorResolutionChange(QRect rect);
-    /**
-     * @brief Monitor primary screen changes
-     * @param screen: Primary screen
-     */
-    void primaryScreenChangedSlot(QScreen *screen);
+
+    void ScreenGeometryChanged(QRect rect);
     void bootOptionsFilter(QString opt);                              // 过滤终端命令
     void clearSearchResult(); //清空搜索结果
     void trayIconActivatedSlot(QSystemTrayIcon::ActivationReason reason);