diff --git a/example/qml-Qt6/App.qml b/example/qml-Qt6/App.qml
index 41288622..fe63b0f2 100644
--- a/example/qml-Qt6/App.qml
+++ b/example/qml-Qt6/App.qml
@@ -19,6 +19,9 @@ Item {
         function onVsyncChanged(){
             SettingsHelper.saveVsync(FluApp.vsync)
         }
+        function onUseSystemAppBarChanged(){
+            SettingsHelper.saveUseSystemAppBar(FluApp.useSystemAppBar)
+        }
     }
 
     FluHttpInterceptor{
@@ -39,6 +42,7 @@ Item {
 
     Component.onCompleted: {
         FluApp.init(app)
+        FluApp.useSystemAppBar = SettingsHelper.getUseSystemAppBar()
         FluApp.vsync = SettingsHelper.getVsync()
         FluTheme.darkMode = SettingsHelper.getDarkMode()
         FluTheme.enableAnimation = true
diff --git a/example/qml-Qt6/page/T_Network.qml b/example/qml-Qt6/page/T_Network.qml
index ef08e62b..67ce5869 100644
--- a/example/qml-Qt6/page/T_Network.qml
+++ b/example/qml-Qt6/page/T_Network.qml
@@ -39,6 +39,7 @@ FluContentPage{
             bottom: parent.bottom
             left: parent.left
         }
+        boundsBehavior: Flickable.StopAtBounds
         ScrollBar.vertical: FluScrollBar {}
         contentHeight:layout_column.height
         Column{
diff --git a/example/qml-Qt6/page/T_Settings.qml b/example/qml-Qt6/page/T_Settings.qml
index d38d4d35..24d5d23f 100644
--- a/example/qml-Qt6/page/T_Settings.qml
+++ b/example/qml-Qt6/page/T_Settings.qml
@@ -72,6 +72,22 @@ FluScrollablePage{
         }
     }
 
+    FluArea{
+        Layout.fillWidth: true
+        Layout.topMargin: 20
+        height: 50
+        paddings: 10
+        FluCheckBox{
+            text:"Use System AppBar"
+            checked: FluApp.useSystemAppBar
+            anchors.verticalCenter: parent.verticalCenter
+            onClicked: {
+                FluApp.useSystemAppBar = !FluApp.useSystemAppBar
+                dialog_restart.open()
+            }
+        }
+    }
+
 
     FluArea{
         Layout.fillWidth: true
diff --git a/example/qml/App.qml b/example/qml/App.qml
index d15ce98c..f8a0358a 100644
--- a/example/qml/App.qml
+++ b/example/qml/App.qml
@@ -19,6 +19,9 @@ Item {
         function onVsyncChanged(){
             SettingsHelper.saveVsync(FluApp.vsync)
         }
+        function onUseSystemAppBarChanged(){
+            SettingsHelper.saveUseSystemAppBar(FluApp.useSystemAppBar)
+        }
     }
 
     FluHttpInterceptor{
@@ -39,6 +42,7 @@ Item {
 
     Component.onCompleted: {
         FluApp.init(app)
+        FluApp.useSystemAppBar = SettingsHelper.getUseSystemAppBar()
         FluApp.vsync = SettingsHelper.getVsync()
         FluTheme.darkMode = SettingsHelper.getDarkMode()
         FluTheme.enableAnimation = true
diff --git a/example/qml/page/T_Settings.qml b/example/qml/page/T_Settings.qml
index ec3dae5b..85c95097 100644
--- a/example/qml/page/T_Settings.qml
+++ b/example/qml/page/T_Settings.qml
@@ -75,6 +75,21 @@ FluScrollablePage{
         }
     }
 
+    FluArea{
+        Layout.fillWidth: true
+        Layout.topMargin: 20
+        height: 50
+        paddings: 10
+        FluCheckBox{
+            text:"Use System AppBar"
+            checked: FluApp.useSystemAppBar
+            anchors.verticalCenter: parent.verticalCenter
+            onClicked: {
+                FluApp.useSystemAppBar = !FluApp.useSystemAppBar
+                dialog_restart.open()
+            }
+        }
+    }
 
     FluArea{
         Layout.fillWidth: true
diff --git a/example/src/helper/SettingsHelper.h b/example/src/helper/SettingsHelper.h
index f0d843e9..826e2a33 100644
--- a/example/src/helper/SettingsHelper.h
+++ b/example/src/helper/SettingsHelper.h
@@ -25,6 +25,8 @@ public:
     Q_INVOKABLE QVariant getDarkMode(){return get("darkMode",QVariant(0));}
     Q_INVOKABLE void saveVsync(bool vsync){save("vsync",vsync);}
     Q_INVOKABLE QVariant getVsync(){return get("vsync",QVariant(true));}
+    Q_INVOKABLE void saveUseSystemAppBar(bool useSystemAppBar){save("useSystemAppBar",useSystemAppBar);}
+    Q_INVOKABLE QVariant getUseSystemAppBar(){return get("useSystemAppBar",QVariant(false));}
 private:
     void save(const QString& key,QVariant val);
     QVariant get(const QString& key,QVariant def={});
diff --git a/framelesshelper b/framelesshelper
index 694967e9..49c72fb4 160000
--- a/framelesshelper
+++ b/framelesshelper
@@ -1 +1 @@
-Subproject commit 694967e930d2dd9f15c5429674005cc0a4217060
+Subproject commit 49c72fb4f85421f770a6a14657ba73a9912ee833
diff --git a/src/FluApp.cpp b/src/FluApp.cpp
index 788b7173..00f45700 100644
--- a/src/FluApp.cpp
+++ b/src/FluApp.cpp
@@ -14,8 +14,10 @@
 FRAMELESSHELPER_USE_NAMESPACE
 
 FluApp::FluApp(QObject *parent):QObject{parent}{
+    connect(this,&FluApp::useSystemAppBarChanged,this,[=]{FramelessConfig::instance()->set(Global::Option::UseSystemAppBar,_useSystemAppBar);});
     vsync(true);
     httpInterceptor(nullptr);
+    useSystemAppBar(false);
 }
 
 FluApp::~FluApp(){
diff --git a/src/FluApp.h b/src/FluApp.h
index a3ec8ac5..c7abd50e 100644
--- a/src/FluApp.h
+++ b/src/FluApp.h
@@ -23,6 +23,7 @@ class FluApp : public QObject
     Q_PROPERTY_AUTO(QString,initialRoute);
     Q_PROPERTY_AUTO(QJsonObject,routes);
     Q_PROPERTY_AUTO(FluHttpInterceptor*,httpInterceptor);
+    Q_PROPERTY_AUTO(bool,useSystemAppBar);
     QML_NAMED_ELEMENT(FluApp)
     QML_SINGLETON
 private:
diff --git a/src/Qt5/imports/FluentUI/Controls/FluWindow.qml b/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
index 6d5aed31..8b945e6e 100644
--- a/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
+++ b/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
@@ -38,7 +38,7 @@ Window {
     property bool showMinimize: true
     property bool showMaximize: true
     property bool showStayTop: true
-    property bool useSystemAppBar: false
+    property bool useSystemAppBar
     property var closeListener: function(event){
         if(closeDestory){
             destoryOnClose()
@@ -58,6 +58,7 @@ Window {
         d.changedStayTop()
     }
     Component.onCompleted: {
+        useSystemAppBar = FluApp.useSystemAppBar
         lifecycle.onCompleted(window)
         initArgument(argument)
         d.changedStayTop()
diff --git a/src/Qt6/imports/FluentUI/Controls/FluWindow.qml b/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
index 6637c8ce..3aaef56e 100644
--- a/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
+++ b/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
@@ -37,7 +37,7 @@ Window {
     property bool showMinimize: true
     property bool showMaximize: true
     property bool showStayTop: true
-    property bool useSystemAppBar: false
+    property bool useSystemAppBar
     property var closeListener: function(event){
         if(closeDestory){
             destoryOnClose()
@@ -57,6 +57,7 @@ Window {
         d.changedStayTop()
     }
     Component.onCompleted: {
+        useSystemAppBar = FluApp.useSystemAppBar
         lifecycle.onCompleted(window)
         initArgument(argument)
         d.changedStayTop()