diff --git a/example/src/main.cpp b/example/src/main.cpp
index bd80267c..21cc3f78 100644
--- a/example/src/main.cpp
+++ b/example/src/main.cpp
@@ -59,9 +59,6 @@ int main(int argc, char *argv[])
     QGuiApplication::setQuitOnLastWindowClosed(false);
     SettingsHelper::getInstance()->init(argv);
     Log::setup(argv,uri);
-#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
-    QQuickWindow::setGraphicsApi(QSGRendererInterface::OpenGL);
-#endif
 #if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
     QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
     QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
diff --git a/src/Qt6/imports/FluentUI/Controls/FluAppBar.qml b/src/Qt6/imports/FluentUI/Controls/FluAppBar.qml
index 8e4b6f13..6c8ba83c 100644
--- a/src/Qt6/imports/FluentUI/Controls/FluAppBar.qml
+++ b/src/Qt6/imports/FluentUI/Controls/FluAppBar.qml
@@ -43,12 +43,12 @@ Rectangle{
     property alias layoutStandardbuttons: layout_standard_buttons
     property var maxClickListener : function(){
         if(FluTools.isMacos()){
-            if (d.win.visibility === Window.FullScreen)
+            if (d.win.visibility === Window.FullScreen || d.win.visibility === Window.Maximized)
                 d.win.showNormal()
             else
                 d.win.showFullScreen()
         }else{
-            if (d.win.visibility === Window.Maximized)
+            if (d.win.visibility === Window.Maximized || d.win.visibility === Window.FullScreen)
                 d.win.showNormal()
             else
                 d.win.showMaximized()
@@ -93,7 +93,7 @@ Rectangle{
             }
             return false
         }
-        property bool isRestore: win && Window.Maximized === win.visibility
+        property bool isRestore: win && (Window.Maximized === win.visibility || Window.FullScreen === win.visibility)
         property bool resizable: win && !(win.height === win.maximumHeight && win.height === win.minimumHeight && win.width === win.maximumWidth && win.width === win.minimumWidth)
         function containsPointToItem(point,item){
             var pos = item.mapToGlobal(0,0)