diff --git a/frame/panel/mainpanelcontrol.cpp b/frame/panel/mainpanelcontrol.cpp
index 8e029b9d1..fc8cb5365 100755
--- a/frame/panel/mainpanelcontrol.cpp
+++ b/frame/panel/mainpanelcontrol.cpp
@@ -300,6 +300,7 @@ void MainPanelControl::updateAppAreaSonWidgetSize()
     m_appAreaSonWidget->adjustSize();
 
     moveAppSonWidget();
+    updateFixedAreaIcon();
 }
 
 void MainPanelControl::setPositonValue(Dock::Position position)
@@ -555,7 +556,7 @@ bool MainPanelControl::eventFilter(QObject *watched, QEvent *event)
         if (event->type() == QEvent::LayoutRequest) {
             m_appAreaSonWidget->adjustSize();
             resizeDockIcon();
-
+            updateFixedAreaIcon();
         } else {
             moveAppSonWidget();
         }
@@ -1086,3 +1087,19 @@ void MainPanelControl::resizeDesktopWidget()
         m_desktopWidget->setFixedSize(0, 0);
 }
 
+void MainPanelControl::updateFixedAreaIcon()
+{
+    QLayoutItem *appLayoutItem = m_appAreaSonLayout->itemAt(0);
+    if (appLayoutItem) {
+        QWidget *appWidget = appLayoutItem->widget();
+        if (appWidget) {
+            int w = appWidget->width();
+            int h = appWidget->height();
+            for (int i = 0; i < m_fixedAreaLayout->count(); ++ i) {
+                // 取最近较小偶数, 去抖
+                m_fixedAreaLayout->itemAt(i)->widget()->setFixedSize((w | 1) - 1, (h | 1) - 1);
+            }
+        }
+    }
+}
+
diff --git a/frame/panel/mainpanelcontrol.h b/frame/panel/mainpanelcontrol.h
index 0b0b6dd26..51d5b69ba 100755
--- a/frame/panel/mainpanelcontrol.h
+++ b/frame/panel/mainpanelcontrol.h
@@ -100,7 +100,10 @@ private:
     void paintEvent(QPaintEvent *event) override;
     void resizeDockIcon();
     void calcuDockIconSize(int w, int h, PluginsItem *trashPlugin, PluginsItem *shutdownPlugin, PluginsItem *keyboardPlugin, PluginsItem *notificationPlugin);
-   void resizeDesktopWidget();
+    void resizeDesktopWidget();
+
+    void updateFixedAreaIcon();
+
 public slots:
     void insertItem(const int index, DockItem *item);
     void removeItem(DockItem *item);