diff --git a/src/Qt5/imports/FluentUI/Controls/FluWindow.qml b/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
index 9835af54..31f4b7b8 100644
--- a/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
+++ b/src/Qt5/imports/FluentUI/Controls/FluWindow.qml
@@ -69,10 +69,10 @@ Window {
     Component.onCompleted: {
         _realHeight = height
         _realWidth = width
-        lifecycle.onCompleted(window)
-        initArgument(argument)
         moveWindowToDesktopCenter()
         fixWindowSize()
+        lifecycle.onCompleted(window)
+        initArgument(argument)
         useSystemAppBar = FluApp.useSystemAppBar
         if(!useSystemAppBar){
             loader_frameless_helper.sourceComponent = com_frameless_helper
diff --git a/src/Qt6/imports/FluentUI/Controls/FluWindow.qml b/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
index 9b9bfe88..65ed022f 100644
--- a/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
+++ b/src/Qt6/imports/FluentUI/Controls/FluWindow.qml
@@ -68,10 +68,10 @@ Window {
     Component.onCompleted: {
         _realHeight = height
         _realWidth = width
-        lifecycle.onCompleted(window)
-        initArgument(argument)
         moveWindowToDesktopCenter()
         fixWindowSize()
+        lifecycle.onCompleted(window)
+        initArgument(argument)
         useSystemAppBar = FluApp.useSystemAppBar
         if(!useSystemAppBar){
             loader_frameless_helper.sourceComponent = com_frameless_helper