diff --git a/frame/taskmanager/dbushandler.cpp b/frame/taskmanager/dbushandler.cpp
index dddc3dab7..ea3a8adc7 100644
--- a/frame/taskmanager/dbushandler.cpp
+++ b/frame/taskmanager/dbushandler.cpp
@@ -22,6 +22,13 @@ DBusHandler::DBusHandler(TaskManager *taskmanager, QObject *parent)
     , m_xEventMonitor(nullptr)
     , m_launcher(new org::deepin::dde::Launcher1(launcherService, launcherPath, QDBusConnection::sessionBus(), this))
 {
+    QDBusInterface *interAM = new QDBusInterface(ApplicationManager1DBusName, "/org/desktopspec/ApplicationManager1", "org.desktopspec.DBus.ObjectManager");
+    if (interAM->isValid()) {
+        connect(interAM, SIGNAL(InterfacesRemoved(const QDBusObjectPath &, const QStringList &)), this, SIGNAL(appUninstalled(const QDBusObjectPath &, const QStringList &)));
+    } else {
+        qWarning() << "The interface of AM is invalid:" << interAM->lastError();
+    }
+
     connect(m_wmSwitcher, &org::deepin::dde::WMSwitcher1::WMChanged, this, [&](QString name) {m_taskmanager->setWMName(name);});
     if (!isWaylandSession()) {
         m_xEventMonitor = new org::deepin::dde::XEventMonitor1("org.deepin.dde.XEventMonitor1", "/org/deepin/dde/XEventMonitor1", QDBusConnection::sessionBus(), this);
diff --git a/frame/taskmanager/dbushandler.h b/frame/taskmanager/dbushandler.h
index e6e38db54..c3ce4876a 100644
--- a/frame/taskmanager/dbushandler.h
+++ b/frame/taskmanager/dbushandler.h
@@ -66,6 +66,9 @@ class DBusHandler : public QObject
     bool newStartManagerAvaliable();
     void sendFailedDockNotification(const QString &appName);
 
+Q_SIGNALS:
+    void appUninstalled(const QDBusObjectPath &objectPath, const QStringList &interfaces);
+
 private Q_SLOTS:
     void handleWlActiveWindowChange();
     void onActiveWindowButtonRelease(int type, int x, int y, const QString &key);
diff --git a/frame/taskmanager/taskmanager.cpp b/frame/taskmanager/taskmanager.cpp
index d66b8fa61..ae4c9b03e 100644
--- a/frame/taskmanager/taskmanager.cpp
+++ b/frame/taskmanager/taskmanager.cpp
@@ -17,7 +17,6 @@
 #include "waylandmanager.h"
 #include "windowinfobase.h"
 #include "dbusutil.h"
-
 #include "org_deepin_dde_kwayland_plasmawindow.h"
 
 #include <QDir>
@@ -27,10 +26,15 @@
 #include <QPixmap>
 
 #include <cstdint>
+#include <dtkcore_global.h>
 #include <iterator>
 #include <memory>
 #include <algorithm>
 
+#include <dutil.h>
+
+DCORE_USE_NAMESPACE
+
 #define SETTING DockSettings::instance()
 #define XCB XCBUtils::instance()
 bool shouldShowEntry(Entry *entry)
@@ -91,6 +95,21 @@ TaskManager::TaskManager(QObject *parent)
         connect(m_x11Manager, &X11Manager::requestHandleActiveWindowChange, this, &TaskManager::handleActiveWindowChanged);
         connect(m_x11Manager, &X11Manager::requestAttachOrDetachWindow, this, &TaskManager::attachOrDetachWindow);
     }
+    connect(m_dbusHandler, &DBusHandler::appUninstalled, this, [this] (const QDBusObjectPath &objectPath, const QStringList &interfaces) {
+        Q_UNUSED(interfaces)
+        QString desktopFile = DUtil::unescapeFromObjectPath(objectPath.path());
+        QString desktopName = desktopFile.split('/').last();
+        Entry *desktopEntry = nullptr;
+        QList<Entry *> entries = m_entries->getEntries();
+        auto desktopEntryIter = std::find_if(entries.begin(), entries.end(), [desktopName] (Entry *entry) {
+             return entry->getDesktopFile().contains(desktopName);
+        });
+        if (desktopEntryIter != entries.end()) {
+            undockEntry(*desktopEntryIter);
+        } else {
+            qWarning() << "The entry which is to be removed is not found!";
+        }
+    });
 }
 
 TaskManager::~TaskManager()