update

src/Qt5/imports/FluentUI/Controls/FluWindow.qml

@@ -237,6 +237,7 @@ Window {
     }
     Rectangle{
         anchors.fill: parent
+        anchors.topMargin: 1/Screen.devicePixelRatio
         color:"transparent"
         border.width: window.resizeBorderWidth
         border.color: window.resizeBorderColor
@@ -249,15 +250,6 @@ Window {
             }
             return true
         }
-        Rectangle{
-            color: parent.border.color
-            width: parent.width
-            height: 1
-            anchors{
-                top: parent.top
-                topMargin: 1
-            }
-        }
     }
     function destoryOnClose(){
         lifecycle.onDestoryOnClose()