diff --git a/src/FluFramelessHelper.cpp b/src/FluFramelessHelper.cpp
index 9d99254a..daeeffee 100644
--- a/src/FluFramelessHelper.cpp
+++ b/src/FluFramelessHelper.cpp
@@ -140,14 +140,8 @@ bool FramelessEventFilter::nativeEventFilter(const QByteArray &eventType, void *
                 offsetTop = 1;
             }
         }
-        if(isCompositionEnabled()){
-            clientRect->top = originalTop+offsetTop;
-        }else{
-            clientRect->top = originalTop;
-            clientRect->bottom = originalBottom;
-            clientRect->left = originalLeft;
-            clientRect->right = originalRight;
-        }
+        clientRect->top = originalTop+offsetTop;
+        clientRect->bottom = originalBottom-offsetTop;
         *result = WVR_REDRAW;
         return true;
     }if(uMsg == WM_NCHITTEST){
@@ -299,18 +293,16 @@ void FluFramelessHelper::componentComplete(){
         _realHeight = QQmlProperty(window,"_realHeight");
         _realWidth = QQmlProperty(window,"_realWidth");
         _appBarHeight = QQmlProperty(window,"_appBarHeight");
-        _enableMarginsBottomLeftRight = QQmlProperty(window,"_enableMarginsBottomLeftRight");
 #ifdef Q_OS_WIN
-        _enableMarginsBottomLeftRight.write(!isCompositionEnabled());
         window->setFlag(Qt::CustomizeWindowHint,true);
         _nativeEvent =new FramelessEventFilter(this);
         qApp->installNativeEventFilter(_nativeEvent);
         HWND hwnd = reinterpret_cast<HWND>(window->winId());
         DWORD style = ::GetWindowLong(hwnd, GWL_STYLE);
         if(resizeable()){
-            SetWindowLongPtr(hwnd, GWL_STYLE, style | WS_MAXIMIZEBOX | WS_THICKFRAME);
+            SetWindowLongPtr(hwnd, GWL_STYLE, style | WS_MAXIMIZEBOX | WS_THICKFRAME | WS_BORDER);
         }else{
-            SetWindowLongPtr(hwnd, GWL_STYLE, style | WS_THICKFRAME);
+            SetWindowLongPtr(hwnd, GWL_STYLE, style | WS_THICKFRAME | WS_BORDER);
         }
         SetWindowPos(hwnd,nullptr,0,0,0,0,SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED);
         showShadow(hwnd);
diff --git a/src/FluFramelessHelper.h b/src/FluFramelessHelper.h
index 79a658e3..445e67af 100644
--- a/src/FluFramelessHelper.h
+++ b/src/FluFramelessHelper.h
@@ -61,7 +61,6 @@ private:
     QQmlProperty _realHeight;
     QQmlProperty _realWidth;
     QQmlProperty _appBarHeight;
-    QQmlProperty _enableMarginsBottomLeftRight;
 };
 
 #endif // FLUFRAMELESSHELPER_H
diff --git a/src/Qt5/imports/FluentUI/Controls/FluWindow.qml b/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
index bc2a28be..d85f7a0f 100644
--- a/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
+++ b/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
@@ -64,7 +64,6 @@ Window {
     property int _realHeight
     property int _realWidth
     property int _appBarHeight: appBar.height
-    property bool _enableMarginsBottomLeftRight: false
     id:window
     color:"transparent"
     Component.onCompleted: {
@@ -210,9 +209,7 @@ Window {
         anchors{
             fill:parent
             topMargin: _offsetXY.y
-            bottomMargin: _enableMarginsBottomLeftRight ? _offsetXY.y : 0
-            leftMargin: _enableMarginsBottomLeftRight ? _offsetXY.x : 0
-            rightMargin: _enableMarginsBottomLeftRight ? _offsetXY.x : 0
+            bottomMargin: _offsetXY.y
         }
         onWidthChanged: {
             window.appBar.width = width
diff --git a/src/Qt6/imports/FluentUI/Controls/FluWindow.qml b/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
index e36354ec..b188c11c 100644
--- a/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
+++ b/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
@@ -63,7 +63,6 @@ Window {
     property int _realHeight
     property int _realWidth
     property int _appBarHeight: appBar.height
-    property bool _enableMarginsBottomLeftRight: false
     id:window
     color:"transparent"
     Component.onCompleted: {
@@ -209,9 +208,7 @@ Window {
         anchors{
             fill:parent
             topMargin: _offsetXY.y
-            bottomMargin: _enableMarginsBottomLeftRight ? _offsetXY.y : 0
-            leftMargin: _enableMarginsBottomLeftRight ? _offsetXY.x : 0
-            rightMargin: _enableMarginsBottomLeftRight ? _offsetXY.x : 0
+            bottomMargin: _offsetXY.y
         }
         onWidthChanged: {
             window.appBar.width = width