diff --git a/frame/layershell/x11dlayershellemulation.cpp b/frame/layershell/x11dlayershellemulation.cpp
index 2de1e1d83..622c3043e 100644
--- a/frame/layershell/x11dlayershellemulation.cpp
+++ b/frame/layershell/x11dlayershellemulation.cpp
@@ -30,36 +30,39 @@ LayerShellEmulation::LayerShellEmulation(QWindow* window, QObject *parent)
     connect(m_dlayerShellWindow, &DLayerShellWindow::layerChanged, this, &LayerShellEmulation::onLayerChanged);
 
     onPositionChanged();
-    connect(m_dlayerShellWindow, &DLayerShellWindow::anchorsChanged, this, &LayerShellEmulation::onPositionChanged);
-    connect(m_dlayerShellWindow, &DLayerShellWindow::marginsChanged, this, &LayerShellEmulation::onPositionChanged);
+    m_positionChangedTimer.setSingleShot(true);
+    m_positionChangedTimer.setInterval(100);
+    connect(&m_positionChangedTimer, &QTimer::timeout, this, &LayerShellEmulation::onPositionChanged);
+    connect(m_dlayerShellWindow, &DLayerShellWindow::anchorsChanged, &m_positionChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+    connect(m_dlayerShellWindow, &DLayerShellWindow::marginsChanged, &m_positionChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
 
     onExclusionZoneChanged();
-    connect(m_dlayerShellWindow, &DLayerShellWindow::anchorsChanged, this, &LayerShellEmulation::onExclusionZoneChanged);
-    connect(m_dlayerShellWindow, &DLayerShellWindow::exclusionZoneChanged, this, &LayerShellEmulation::onExclusionZoneChanged);
+    m_exclusionZoneChangedTimer.setSingleShot(true);
+    m_exclusionZoneChangedTimer.setInterval(100);
+    connect(&m_exclusionZoneChangedTimer, &QTimer::timeout, this, &LayerShellEmulation::onExclusionZoneChanged);
+    connect(m_dlayerShellWindow, &DLayerShellWindow::anchorsChanged, &m_exclusionZoneChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+    connect(m_dlayerShellWindow, &DLayerShellWindow::exclusionZoneChanged, &m_exclusionZoneChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
 
     // qml height or width may update later, need to update anchor postion and exclusion zone
-    connect(m_window, &QWindow::widthChanged, this, &LayerShellEmulation::onExclusionZoneChanged);
-    connect(m_window, &QWindow::widthChanged, this, &LayerShellEmulation::onPositionChanged);
-    // (x,y) wasn't set correctly by xcb_configure_window, TODO using EventFilter to update positions.
-    connect(m_window, &QWindow::xChanged, this, &LayerShellEmulation::onPositionChanged);
-    connect(m_window, &QWindow::yChanged, this, &LayerShellEmulation::onPositionChanged);
-
-    connect(m_window, &QWindow::heightChanged, this, &LayerShellEmulation::onExclusionZoneChanged);
-    connect(m_window, &QWindow::heightChanged, this, &LayerShellEmulation::onPositionChanged);
-
-    auto screen = m_window->screen();
-    connect(screen, &QScreen::geometryChanged, this, &LayerShellEmulation::onPositionChanged);
-    connect(screen, &QScreen::geometryChanged, this, &LayerShellEmulation::onExclusionZoneChanged);
-    connect(qApp, &QGuiApplication::primaryScreenChanged, this, &LayerShellEmulation::onExclusionZoneChanged);
+    connect(m_window, &QWindow::widthChanged, &m_exclusionZoneChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+    connect(m_window, &QWindow::widthChanged, &m_positionChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+    connect(m_window, &QWindow::heightChanged, &m_exclusionZoneChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+    connect(m_window, &QWindow::heightChanged, &m_positionChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+    connect(m_window, &QWindow::xChanged, &m_positionChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+    connect(m_window, &QWindow::yChanged, &m_positionChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+
+    for (auto screen : qApp->screens()) {
+        connect(screen, &QScreen::geometryChanged, &m_positionChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+        connect(screen, &QScreen::geometryChanged, &m_exclusionZoneChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+    }
+    connect(qApp, &QGuiApplication::screenAdded, this, [this] (const QScreen *newScreen) {
+        connect(newScreen, &QScreen::geometryChanged, &m_positionChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+        connect(newScreen, &QScreen::geometryChanged, &m_exclusionZoneChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
+    });
+    connect(qApp, &QGuiApplication::primaryScreenChanged, &m_exclusionZoneChangedTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
     connect(m_window, &QWindow::screenChanged, this, [this](QScreen *nowScreen){
-        for (auto screen : qApp->screens()) {
-            screen->disconnect(this);
-        }
-
-        connect(nowScreen, &QScreen::geometryChanged, this, &LayerShellEmulation::onPositionChanged);
-        connect(nowScreen, &QScreen::geometryChanged, this, &LayerShellEmulation::onExclusionZoneChanged);
-        onPositionChanged();
-        QMetaObject::invokeMethod(this, &LayerShellEmulation::onExclusionZoneChanged, Qt::QueuedConnection);
+        m_positionChangedTimer.start();
+        m_exclusionZoneChangedTimer.start();
     });
 
     // connect(m_dlayerShellWindow, &DS_NAMESPACE::DLayerShellWindow::keyboardInteractivityChanged, this, &LayerShellEmulation::onKeyboardInteractivityChanged);
diff --git a/frame/layershell/x11dlayershellemulation.h b/frame/layershell/x11dlayershellemulation.h
index 718a4da42..91436df49 100644
--- a/frame/layershell/x11dlayershellemulation.h
+++ b/frame/layershell/x11dlayershellemulation.h
@@ -9,6 +9,7 @@
 
 #include <QObject>
 #include <QWindow>
+#include <QTimer>
 
 #include <xcb/xcb.h>
 #include <xcb/xproto.h>
@@ -31,5 +32,7 @@ private slots:
 private:
     QWindow* m_window;
     DLayerShellWindow* m_dlayerShellWindow;
+    QTimer m_positionChangedTimer;
+    QTimer m_exclusionZoneChangedTimer;
 };
 DS_END_NAMESPACE