diff --git a/panels/dock/CMakeLists.txt b/panels/dock/CMakeLists.txt
index 3909c5f73..8fd5e6213 100644
--- a/panels/dock/CMakeLists.txt
+++ b/panels/dock/CMakeLists.txt
@@ -30,6 +30,8 @@ file(
     waylanddockhelper.cpp
     loadtrayplugins.h
     loadtrayplugins.cpp
+    launcherhelper.h
+    launcherhelper.cpp
 )
 
 # Old dbus interface compatible
diff --git a/panels/dock/MenuHelper.qml b/panels/dock/MenuHelper.qml
index f59859322..4a0df521f 100644
--- a/panels/dock/MenuHelper.qml
+++ b/panels/dock/MenuHelper.qml
@@ -5,6 +5,7 @@
 pragma Singleton
 import QtQuick
 import Qt.labs.platform
+import org.deepin.ds.dock.helper 1.0
 
 Item {
     property Menu activeMenu: null
@@ -12,6 +13,8 @@ Item {
         if (activeMenu) {
             activeMenu.close()
         }
+        // Hide launcher when opening dock menu
+        LauncherHelper.hideLauncher()
         menu.open()
         menu.aboutToHide.connect(() => { activeMenu = null })
         activeMenu = menu
diff --git a/panels/dock/dockpanel.cpp b/panels/dock/dockpanel.cpp
index 7185f972b..76d8cb192 100644
--- a/panels/dock/dockpanel.cpp
+++ b/panels/dock/dockpanel.cpp
@@ -16,12 +16,15 @@
 #include "dockfrontadaptor.h"
 #include "dockdaemonadaptor.h"
 #include "loadtrayplugins.h"
+#include "launcherhelper.h"
 
 #include <DDBusSender>
 #include <QQuickWindow>
 #include <QLoggingCategory>
 #include <QGuiApplication>
 #include <QQuickItem>
+#include <QQmlEngine>
+#include <QJSEngine>
 #include <DGuiApplicationHelper>
 
 #define SETTINGS DockSettings::instance()
@@ -54,6 +57,17 @@ bool DockPanel::load()
 
 bool DockPanel::init()
 {
+    // Register LauncherHelper as QML singleton (only once)
+    // Use a separate namespace to avoid conflicts with auto-generated registrations
+    static bool registered = false;
+    if (!registered) {
+        qmlRegisterSingletonType<LauncherHelper>("org.deepin.ds.dock.helper", 1, 0, "LauncherHelper",
+            [](QQmlEngine *, QJSEngine *) -> QObject * {
+                return LauncherHelper::instance();
+            });
+        registered = true;
+    }
+
     DockAdaptor* adaptor = new DockAdaptor(this);
     Q_UNUSED(adaptor)
     QDBusConnection::sessionBus().registerService("org.deepin.ds.Dock");
diff --git a/panels/dock/launcherhelper.cpp b/panels/dock/launcherhelper.cpp
new file mode 100644
index 000000000..6b90573bc
--- /dev/null
+++ b/panels/dock/launcherhelper.cpp
@@ -0,0 +1,46 @@
+// SPDX-FileCopyrightText: 2026 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "launcherhelper.h"
+
+#include <QDBusInterface>
+#include <QDBusMessage>
+#include <QLoggingCategory>
+
+Q_LOGGING_CATEGORY(launcherHelper, "org.deepin.dde.shell.dock.launcherhelper")
+
+namespace dock {
+
+LauncherHelper* LauncherHelper::instance()
+{
+    static LauncherHelper* helper = new LauncherHelper();
+    return helper;
+}
+
+LauncherHelper::LauncherHelper(QObject *parent)
+    : QObject(parent)
+{
+}
+
+void LauncherHelper::hideLauncher()
+{
+    // Call dde-launchpad's D-Bus interface to hide the launcher
+    QDBusInterface launcherInterface("org.deepin.dde.Launcher1",
+                                     "/org/deepin/dde/Launcher1",
+                                     "org.deepin.dde.Launcher1");
+
+    if (!launcherInterface.isValid()) {
+        qCDebug(launcherHelper) << "Launcher D-Bus interface is not available";
+        return;
+    }
+
+    QDBusMessage reply = launcherInterface.call("Hide");
+    if (reply.type() == QDBusMessage::ErrorMessage) {
+        qCWarning(launcherHelper) << "Failed to hide launcher:" << reply.errorMessage();
+    } else {
+        qCDebug(launcherHelper) << "Successfully requested launcher to hide";
+    }
+}
+
+}
diff --git a/panels/dock/launcherhelper.h b/panels/dock/launcherhelper.h
new file mode 100644
index 000000000..491c614e2
--- /dev/null
+++ b/panels/dock/launcherhelper.h
@@ -0,0 +1,25 @@
+// SPDX-FileCopyrightText: 2026 UnionTech Software Technology Co., Ltd.
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QObject>
+
+namespace dock {
+
+class LauncherHelper : public QObject
+{
+    Q_OBJECT
+
+public:
+    static LauncherHelper* instance();
+
+    Q_INVOKABLE void hideLauncher();
+
+private:
+    explicit LauncherHelper(QObject *parent = nullptr);
+    ~LauncherHelper() override = default;
+};
+
+}