diff --git a/frame/controller/dockitemmanager.cpp b/frame/controller/dockitemmanager.cpp
index 45f0628fb..fe620151b 100644
--- a/frame/controller/dockitemmanager.cpp
+++ b/frame/controller/dockitemmanager.cpp
@@ -189,6 +189,12 @@ void DockItemManager::appItemAdded(const QDBusObjectPath &path, const int index)
     }
 
     AppItem *item = new AppItem(path);
+
+    if (m_appIDist.contains(item->appId())) {
+        delete item;
+        return;
+    }
+
     manageItem(item);
 
     connect(item, &AppItem::requestActivateWindow, m_appInter, &DBusDock::ActivateWindow, Qt::QueuedConnection);
@@ -196,6 +202,7 @@ void DockItemManager::appItemAdded(const QDBusObjectPath &path, const int index)
     connect(item, &AppItem::requestCancelPreview, m_appInter, &DBusDock::CancelPreviewWindow);
 
     m_itemList.insert(insertIndex, item);
+    m_appIDist.append(item->appId());
 
     if (index != -1) {
         emit itemInserted(insertIndex - 1, item);
@@ -219,6 +226,8 @@ void DockItemManager::appItemRemoved(const QString &appId)
             appItemRemoved(app);
         }
     }
+
+    m_appIDist.removeAll(appId);
 }
 
 void DockItemManager::appItemRemoved(AppItem *appItem)
diff --git a/frame/controller/dockitemmanager.h b/frame/controller/dockitemmanager.h
index 37b45352d..e74c4fb16 100644
--- a/frame/controller/dockitemmanager.h
+++ b/frame/controller/dockitemmanager.h
@@ -79,6 +79,7 @@ private:
     static DockItemManager *INSTANCE;
 
     QList<QPointer<DockItem>> m_itemList;
+    QList<QString> m_appIDist;
 };
 
 #endif // DOCKITEMMANAGER_H
diff --git a/frame/item/components/previewcontainer.cpp b/frame/item/components/previewcontainer.cpp
index a2d5ed807..042b4637d 100644
--- a/frame/item/components/previewcontainer.cpp
+++ b/frame/item/components/previewcontainer.cpp
@@ -224,7 +224,6 @@ void PreviewContainer::onSnapshotClicked(const WId wid)
     Q_EMIT requestActivateWindow(wid);
     m_needActivate = true;
     m_waitForShowPreviewTimer->stop();
-    requestCancelPreviewWindow();
     requestHidePopup();
 }
 
@@ -248,8 +247,6 @@ void PreviewContainer::previewEntered(const WId wid)
 
     m_floatingPreview->trackWindow(snap);
 
-    requestCancelPreviewWindow();
-
     if (m_waitForShowPreviewTimer->isActive()) {
         return;
     }
diff --git a/frame/panel/mainpanelcontrol.cpp b/frame/panel/mainpanelcontrol.cpp
index 18a955f30..b3308586f 100755
--- a/frame/panel/mainpanelcontrol.cpp
+++ b/frame/panel/mainpanelcontrol.cpp
@@ -311,7 +311,6 @@ void MainPanelControl::updateAppAreaSonWidgetSize()
     m_appAreaSonWidget->adjustSize();
 
     moveAppSonWidget();
-    updateFixedAreaIcon();
 }
 
 void MainPanelControl::setPositonValue(Dock::Position position)
@@ -567,7 +566,6 @@ bool MainPanelControl::eventFilter(QObject *watched, QEvent *event)
         if (event->type() == QEvent::LayoutRequest) {
             m_appAreaSonWidget->adjustSize();
             resizeDockIcon();
-            updateFixedAreaIcon();
         } else {
             moveAppSonWidget();
         }
@@ -1118,22 +1116,6 @@ 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);
-            }
-        }
-    }
-}
-
 /**
  * @brief MainPanelControl::checkNeedShowDesktop 根据窗管提供接口（当前是否显示的桌面），提供鼠标
  * 移入 显示桌面窗口 区域时，是否需要显示桌面判断依据
diff --git a/frame/panel/mainpanelcontrol.h b/frame/panel/mainpanelcontrol.h
index 6f2b07d13..75c79d078 100755
--- a/frame/panel/mainpanelcontrol.h
+++ b/frame/panel/mainpanelcontrol.h
@@ -104,9 +104,8 @@ private:
     void resizeDockIcon();
     void calcuDockIconSize(int w, int h, PluginsItem *trashPlugin, PluginsItem *shutdownPlugin, PluginsItem *keyboardPlugin, PluginsItem *notificationPlugin);
     void resizeDesktopWidget();
-
-    void updateFixedAreaIcon();
     bool checkNeedShowDesktop();
+
 public slots:
     void insertItem(const int index, DockItem *item);
     void removeItem(DockItem *item);
diff --git a/plugins/datetime/datetimeplugin.cpp b/plugins/datetime/datetimeplugin.cpp
index 3306ca7a0..4183293db 100644
--- a/plugins/datetime/datetimeplugin.cpp
+++ b/plugins/datetime/datetimeplugin.cpp
@@ -59,8 +59,8 @@ void DatetimePlugin::init(PluginProxyInterface *proxyInter)
     QSettings settings("deepin", "dde-dock-datetime");
     if (QFile::exists(settings.fileName())) {
         Dock::DisplayMode mode = displayMode();
-        const QString     key  = QString("pos_%1").arg(mode);
-        proxyInter->saveValue(this, key, settings.value(key, mode == Dock::DisplayMode::Fashion ? 5 : -1));
+        const QString key = QString("pos_%1_%2").arg(pluginName()).arg(mode);
+        proxyInter->saveValue(this, key, settings.value(key, mode == Dock::DisplayMode::Fashion ? 6 : -1));
         QFile::remove(settings.fileName());
     }
 
@@ -110,15 +110,15 @@ int DatetimePlugin::itemSortKey(const QString &itemKey)
 {
     Q_UNUSED(itemKey);
 
-    const QString key = QString("pos_%1").arg(Dock::Efficient);
-    return m_proxyInter->getValue(this, key, 5).toInt();
+    const QString key = QString("pos_%1_%2").arg(itemKey).arg(Dock::Efficient);
+    return m_proxyInter->getValue(this, key, 6).toInt();
 }
 
 void DatetimePlugin::setSortKey(const QString &itemKey, const int order)
 {
     Q_UNUSED(itemKey);
 
-    const QString key = QString("pos_%1").arg(Dock::Efficient);
+    const QString key = QString("pos_%1_%2").arg(itemKey).arg(Dock::Efficient);
     m_proxyInter->saveValue(this, key, order);
 }
 
diff --git a/plugins/keyboard-layout/keyboardplugin.cpp b/plugins/keyboard-layout/keyboardplugin.cpp
index 26d86d625..665c41554 100644
--- a/plugins/keyboard-layout/keyboardplugin.cpp
+++ b/plugins/keyboard-layout/keyboardplugin.cpp
@@ -77,3 +77,17 @@ QWidget *KeyboardPlugin::itemTipsWidget(const QString &itemKey)
 
     return nullptr;
 }
+
+int KeyboardPlugin::itemSortKey(const QString &itemKey)
+{
+    const QString key = QString("pos_%1_%2").arg(itemKey).arg(Dock::Efficient);
+
+    return m_proxyInter->getValue(this, key, 2).toInt();
+}
+
+void KeyboardPlugin::setSortKey(const QString &itemKey, const int order)
+{
+    const QString key = QString("pos_%1_%2").arg(itemKey).arg(Dock::Efficient);
+
+    m_proxyInter->saveValue(this, key, order);
+}
diff --git a/plugins/keyboard-layout/keyboardplugin.h b/plugins/keyboard-layout/keyboardplugin.h
index 62a44f24a..30cb754c9 100644
--- a/plugins/keyboard-layout/keyboardplugin.h
+++ b/plugins/keyboard-layout/keyboardplugin.h
@@ -40,6 +40,9 @@ public:
     QWidget *itemWidget(const QString &itemKey) override;
     QWidget *itemTipsWidget(const QString &itemKey) override;
 
+    int itemSortKey(const QString &itemKey) override;
+    void setSortKey(const QString &itemKey, const int order) override;
+
 private:
     DBusAdaptors *m_dbusAdaptors = nullptr;
 };
diff --git a/plugins/shutdown/shutdownplugin.cpp b/plugins/shutdown/shutdownplugin.cpp
index 8d3d3a965..38371f911 100644
--- a/plugins/shutdown/shutdownplugin.cpp
+++ b/plugins/shutdown/shutdownplugin.cpp
@@ -216,7 +216,7 @@ void ShutdownPlugin::displayModeChanged(const Dock::DisplayMode displayMode)
 int ShutdownPlugin::itemSortKey(const QString &itemKey)
 {
     const QString key = QString("pos_%1_%2").arg(itemKey).arg(Dock::Efficient);
-    return m_proxyInter->getValue(this, key, 6).toInt();
+    return m_proxyInter->getValue(this, key, 5).toInt();
 }
 
 void ShutdownPlugin::setSortKey(const QString &itemKey, const int order)
diff --git a/plugins/sound/soundapplet.cpp b/plugins/sound/soundapplet.cpp
index 95c280dd7..536c748d7 100644
--- a/plugins/sound/soundapplet.cpp
+++ b/plugins/sound/soundapplet.cpp
@@ -369,8 +369,7 @@ void SoundApplet::toggleMute()
 
 void SoundApplet::onPlaySoundEffect()
 {
-    // set the mute property to false to play sound effects.
-    m_defSinkInter->SetMuteQueued(false);
+
 }
 
 void SoundApplet::increaseVolumeChanged()
diff --git a/plugins/tray/fashiontray/containers/abstractcontainer.cpp b/plugins/tray/fashiontray/containers/abstractcontainer.cpp
index 72a7f23cb..a07996198 100644
--- a/plugins/tray/fashiontray/containers/abstractcontainer.cpp
+++ b/plugins/tray/fashiontray/containers/abstractcontainer.cpp
@@ -293,9 +293,6 @@ int AbstractContainer::whereToInsert(FashionTrayWidgetWrapper *wrapper)
         return m_wrapperList.size();
     }
 
-    if (wrapper->absTrayWidget()->trayTyep() == AbstractTrayWidget::TrayType::SystemTray)
-        destSortKey += m_wrapperList.size();
-
     // 当目标插入位置为列表的大小时将从最后面追加到列表中
     int destIndex = m_wrapperList.size();
     for (int i = 0; i < m_wrapperList.size(); ++i) {
diff --git a/plugins/tray/system-trays/systemtrayitem.cpp b/plugins/tray/system-trays/systemtrayitem.cpp
index 842cc5e0a..bba912445 100644
--- a/plugins/tray/system-trays/systemtrayitem.cpp
+++ b/plugins/tray/system-trays/systemtrayitem.cpp
@@ -140,6 +140,7 @@ QWidget *SystemTrayItem::trayTipsWidget()
     if (m_pluginInter->itemTipsWidget(m_itemKey)) {
         m_pluginInter->itemTipsWidget(m_itemKey)->setAccessibleName(m_pluginInter->pluginName());
     }
+
     return m_pluginInter->itemTipsWidget(m_itemKey);
 }
 
@@ -148,6 +149,7 @@ QWidget *SystemTrayItem::trayPopupApplet()
     if (m_pluginInter->itemPopupApplet(m_itemKey)) {
         m_pluginInter->itemPopupApplet(m_itemKey)->setAccessibleName(m_pluginInter->pluginName());
     }
+
     return m_pluginInter->itemPopupApplet(m_itemKey);
 }