diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7769c4e..48a0f14 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,10 +61,13 @@ message(STATUS "QML_IMPORT_PATH: ${QML_IMPORT_PATH}")
 # 基础设置
 set(UKUI_MENU_DATA_DIR "/usr/share/ukui-menu")
 set(UKUI_MENU_TRANSLATION_DIR "${UKUI_MENU_DATA_DIR}/translations")
+set(UKUI_MENU_EXTENSION_DIR "${UKUI_MENU_DATA_DIR}/extensions")
+#set(UKUI_MENU_EXTENSION_IFACE_QML_DIR "/usr/lib/x86_64-linux-gnu/qt5/qml/org/ukui/menu/extension")
 
 # 宏定义
 add_compile_definitions(UKUI_MENU_TRANSLATION_DIR="${UKUI_MENU_TRANSLATION_DIR}"
         UKUI_MENU_DATA_DIR="${UKUI_MENU_DATA_DIR}"
+        UKUI_MENU_EXTENSION_DIR="${UKUI_MENU_EXTENSION_DIR}"
         )
 
 # ukui-menu的源码
@@ -80,6 +83,8 @@ set(SOURCE_FILES
         src/model/model-manager.cpp src/model/model-manager.h
         src/appdata/app-icon-provider.cpp src/appdata/app-icon-provider.h
         src/windows/menu-main-window.cpp src/windows/menu-main-window.h
+        src/extension/menu-extension.cpp src/extension/menu-extension.h
+        src/extension/menu-extension-iface.h
         )
 
 # qrc文件
@@ -89,6 +94,8 @@ set(DESKTOP_FILE data/ukui-menu.desktop)
 set(GSETTING_FILE data/org.ukui.menu.settings.gschema.xml)
 # data files
 #set(DATA_FILES data/xxx)
+# extension
+#file(GLOB EXTENSION_IFACE_QML_FILES "qml/org/ukui/menu/extension/*")
 
 # 翻译文件
 file(GLOB TS_FILES "${PROJECT_SOURCE_DIR}/translations/*.ts")
@@ -126,3 +133,4 @@ install(FILES ${QM_FILES} DESTINATION "${UKUI_MENU_TRANSLATION_DIR}")
 # 安装desktop文件
 install(FILES ${DESKTOP_FILE} DESTINATION "/etc/xdg/autostart")
 install(FILES ${GSETTING_FILE} DESTINATION "/usr/share/glib-2.0/schemas")
+#install(FILES ${EXTENSION_IFACE_QML_FILES} DESTINATION "${UKUI_MENU_EXTENSION_IFACE_QML_DIR}")
diff --git a/qml/AppUI/NormalUI.qml b/qml/AppUI/NormalUI.qml
index 36a93f8..5db239f 100644
--- a/qml/AppUI/NormalUI.qml
+++ b/qml/AppUI/NormalUI.qml
@@ -1,5 +1,6 @@
 import QtQuick 2.12
 import QtQuick.Controls 2.0 as QQC2
+import org.ukui.menu.extension 1.0
 
 Item {
     Row {
@@ -11,7 +12,7 @@ Item {
         }
 
         Sidebar {
-            width: parent.width - 300;
+            width: parent.width - 400;
             height: parent.height;
 
             MouseArea {
@@ -21,5 +22,10 @@ Item {
                 }
             }
         }
+
+        UkuiMenuExtension {
+            width: 100;
+            height: parent.height;
+        }
     }
 }
diff --git a/qml/org/ukui/menu/extension/UkuiMenuExtension.qml b/qml/org/ukui/menu/extension/UkuiMenuExtension.qml
new file mode 100644
index 0000000..4c59cc3
--- /dev/null
+++ b/qml/org/ukui/menu/extension/UkuiMenuExtension.qml
@@ -0,0 +1,7 @@
+import QtQuick 2.0
+
+Item {
+    id: extensionView;
+    property var data;
+    signal send(var data);
+}
diff --git a/qml/org/ukui/menu/extension/qmldir b/qml/org/ukui/menu/extension/qmldir
new file mode 100644
index 0000000..e66de49
--- /dev/null
+++ b/qml/org/ukui/menu/extension/qmldir
@@ -0,0 +1,2 @@
+module org.ukui.menu.extension
+UkuiMenuExtension 1.0 UkuiMenuExtension.qml
diff --git a/qml/qml.qrc b/qml/qml.qrc
index ebf0fc2..374d78e 100644
--- a/qml/qml.qrc
+++ b/qml/qml.qrc
@@ -1,6 +1,8 @@
 <RCC>
     <qresource prefix="/qml">
         <file>main.qml</file>
+        <file>org/ukui/menu/extension/qmldir</file>
+        <file>org/ukui/menu/extension/UkuiMenuExtension.qml</file>
         <file>AppUI/qmldir</file>
         <file>AppUI/NormalUI.qml</file>
         <file>AppUI/FullScreenUI.qml</file>
diff --git a/src/extension/menu-extension-iface.h b/src/extension/menu-extension-iface.h
new file mode 100644
index 0000000..ff854cc
--- /dev/null
+++ b/src/extension/menu-extension-iface.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2022, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef UKUI_MENU_MENU_EXTENSION_I_FACE_H
+#define UKUI_MENU_MENU_EXTENSION_I_FACE_H
+
+
+#include <QObject>
+#include <QString>
+#include <QVariant>
+
+namespace UkuiMenu {
+
+class MenuExtensionIFace : public QObject
+{
+    Q_OBJECT
+public:
+    virtual int index() = 0;
+    virtual QString name() = 0;
+    virtual QString url() = 0;
+    virtual QVariantMap data() = 0;
+    virtual void receive(QVariantMap data) = 0;
+
+Q_SIGNALS:
+    void dataUpdated();
+};
+
+}
+
+#endif //UKUI_MENU_MENU_EXTENSION_I_FACE_H
diff --git a/src/extension/menu-extension.cpp b/src/extension/menu-extension.cpp
new file mode 100644
index 0000000..bd80a56
--- /dev/null
+++ b/src/extension/menu-extension.cpp
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2022, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "menu-extension.h"
+
+namespace UkuiMenu {
+
+
+} // UkuiMenu
diff --git a/src/extension/menu-extension.h b/src/extension/menu-extension.h
new file mode 100644
index 0000000..5918a4c
--- /dev/null
+++ b/src/extension/menu-extension.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2022, KylinSoft Co., Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef UKUI_MENU_MENU_EXTENSION_H
+#define UKUI_MENU_MENU_EXTENSION_H
+
+#include <QObject>
+
+namespace UkuiMenu {
+
+class MenuExtension : public QObject
+{
+    Q_OBJECT
+public:
+
+
+};
+
+} // UkuiMenu
+
+#endif //UKUI_MENU_MENU_EXTENSION_H