diff --git a/src/external/dde-dock-plugins/disk-mount/diskmountplugin.cpp b/src/external/dde-dock-plugins/disk-mount/diskmountplugin.cpp
index 3f34dc3ca6..698b4a05d6 100644
--- a/src/external/dde-dock-plugins/disk-mount/diskmountplugin.cpp
+++ b/src/external/dde-dock-plugins/disk-mount/diskmountplugin.cpp
@@ -10,6 +10,8 @@
 
 #include <DApplication>
 #include <QGSettings>
+#include <QJsonObject>
+#include <QJsonDocument>
 
 Q_DECLARE_LOGGING_CATEGORY(logAppDock)
 
@@ -141,6 +143,25 @@ void DiskMountPlugin::setDockEntryVisible(bool visible)
         proxyInter()->itemRemoved(this, kDiskMountKey);
 }
 
+void DiskMountPlugin::onAppletVisibilityChanged(bool visible)
+{
+#ifdef USE_DOCK_NEW_INTERFACE
+    qWarning() << ">>>>> callback is valid? " << messageCallback;
+    if (!messageCallback)
+        return;
+
+    QJsonObject msg;
+    msg[Dock::MSG_TYPE] = Dock::MSG_ITEM_ACTIVE_STATE;
+    msg[Dock::MSG_DATA] = visible;
+    QJsonDocument doc;
+    doc.setObject(msg);
+
+    qWarning() << ">>>>> plugin to dock message:   " << doc.toJson(QJsonDocument::Compact);
+
+    qWarning() << "<<<<< ret:" << messageCallback(this, doc.toJson());
+#endif
+}
+
 void DiskMountPlugin::loadTranslator()
 {
     QString &&applicationName = qApp->applicationName();
@@ -156,6 +177,9 @@ void DiskMountPlugin::initCompoments()
     diskControlApplet = new DeviceList();
     diskControlApplet->setObjectName("disk-mount");
     diskControlApplet->setVisible(false);
+
+    connect(diskControlApplet, &DeviceList::visibilityChanged,
+            this, &DiskMountPlugin::onAppletVisibilityChanged);
 }
 
 void DiskMountPlugin::displayModeChanged(const Dock::DisplayMode mode)
diff --git a/src/external/dde-dock-plugins/disk-mount/diskmountplugin.h b/src/external/dde-dock-plugins/disk-mount/diskmountplugin.h
index 7d07c509b9..27bbf94145 100644
--- a/src/external/dde-dock-plugins/disk-mount/diskmountplugin.h
+++ b/src/external/dde-dock-plugins/disk-mount/diskmountplugin.h
@@ -51,6 +51,8 @@ class DiskMountPlugin : public QObject, PluginsItemInterface
     {
         return Dock::Type_Tray | Dock::Attribute_CanDrag | Dock::Attribute_CanInsert;
     }
+
+    virtual void setMessageCallback(MessageCallbackFunc cb) override { messageCallback = cb; }
 #endif
 
     const QString pluginName() const override;
@@ -72,6 +74,9 @@ class DiskMountPlugin : public QObject, PluginsItemInterface
 public slots:
     void setDockEntryVisible(bool visible);
 
+private slots:
+    void onAppletVisibilityChanged(bool visible);
+
 private:
     void loadTranslator();
     void initCompoments();
@@ -86,6 +91,10 @@ public slots:
     TipsWidget *tipsLabel { nullptr };
     DiskPluginItem *diskPluginItem { nullptr };
     DeviceList *diskControlApplet { nullptr };
+
+#ifdef USE_DOCK_NEW_INTERFACE
+    MessageCallbackFunc messageCallback = nullptr;
+#endif
 };
 
 #endif   // DISKMOUNTPLUGIN_H
diff --git a/src/external/dde-dock-plugins/disk-mount/widgets/devicelist.cpp b/src/external/dde-dock-plugins/disk-mount/widgets/devicelist.cpp
index 74a701406c..310d3ab3d9 100644
--- a/src/external/dde-dock-plugins/disk-mount/widgets/devicelist.cpp
+++ b/src/external/dde-dock-plugins/disk-mount/widgets/devicelist.cpp
@@ -28,6 +28,15 @@ void DeviceList::showEvent(QShowEvent *event)
 {
     updateHeight();
     QScrollArea::showEvent(event);
+    Q_EMIT visibilityChanged(true);
+    qWarning() << ">>>>> dfm plugin show";
+}
+
+void DeviceList::hideEvent(QHideEvent *event)
+{
+    qWarning() << ">>>>> dfm plugin hide";
+    Q_EMIT visibilityChanged(false);
+    QScrollArea::hideEvent(event);
 }
 
 void DeviceList::addDevice(const DockItemData &item)
diff --git a/src/external/dde-dock-plugins/disk-mount/widgets/devicelist.h b/src/external/dde-dock-plugins/disk-mount/widgets/devicelist.h
index cfefe8a2d6..77f1754c8a 100644
--- a/src/external/dde-dock-plugins/disk-mount/widgets/devicelist.h
+++ b/src/external/dde-dock-plugins/disk-mount/widgets/devicelist.h
@@ -20,8 +20,12 @@ class DeviceList : public QScrollArea
 public:
     explicit DeviceList(QWidget *parent = nullptr);
 
+Q_SIGNALS:
+    void visibilityChanged(bool visible);
+
 protected:
     void showEvent(QShowEvent *event) override;
+    void hideEvent(QHideEvent *event) override;
 
 private Q_SLOTS:
     void addDevice(const DockItemData &item);