diff --git a/FramelessHelperConfig.cmake.in b/FramelessHelperConfig.cmake.in
index e8f60c0c..2dd799d4 100644
--- a/FramelessHelperConfig.cmake.in
+++ b/FramelessHelperConfig.cmake.in
@@ -40,9 +40,6 @@ foreach(_component ${@PROJECT_NAME@_FIND_COMPONENTS})
             if(EXISTS "${__targets_file}")
                 include("${__targets_file}")
                 add_library(${__target} ALIAS @PROJECT_NAME@::${__target_full})
-                if(NOT "x${_component}" STREQUAL "xCore")
-                    list(APPEND _@PROJECT_NAME@_available_components ${_component})
-                endif()
             else()
                 set(@PROJECT_NAME@_FOUND FALSE)
                 set(@PROJECT_NAME@_NOT_FOUND_MESSAGE "Can't find necessary configuration file for ${__target}, please make sure this component is built successfully and installed properly.")
@@ -76,6 +73,7 @@ set_package_properties(@PROJECT_NAME@ PROPERTIES
 )
 
 if(${@PROJECT_NAME@_FOUND})
+    list(REMOVE_DUPLICATES _@PROJECT_NAME@_available_components)
     find_dependency(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS ${_@PROJECT_NAME@_available_components})
     find_dependency(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS ${_@PROJECT_NAME@_available_components})
 endif()
diff --git a/src/quick/framelessquickhelper.cpp b/src/quick/framelessquickhelper.cpp
index 0ca49b34..89f24daf 100644
--- a/src/quick/framelessquickhelper.cpp
+++ b/src/quick/framelessquickhelper.cpp
@@ -409,39 +409,44 @@ void FramelessQuickHelperPrivate::repaintAllChildren()
 
 void FramelessQuickHelperPrivate::doRepaintAllChildren()
 {
-    Q_Q(const FramelessQuickHelper);
-    QQuickWindow *window = q->window();
-    if (!window) {
-        return;
-    }
+    repaintTimer.stop();
+    static bool firstTime = true;
+    if (firstTime) {
+        firstTime = false;
+    } else {
+        Q_Q(const FramelessQuickHelper);
+        QQuickWindow *window = q->window();
+        if (!window) {
+            return;
+        }
 #ifdef Q_OS_WINDOWS
-    // Sync the internal window frame margins with the latest DPI, otherwise
-    // we will get wrong window sizes after the DPI change.
-    std::ignore = Utils::updateInternalWindowFrameMargins(window, true);
+        // Sync the internal window frame margins with the latest DPI, otherwise
+        // we will get wrong window sizes after the DPI change.
+        std::ignore = Utils::updateInternalWindowFrameMargins(window, true);
 #endif // Q_OS_WINDOWS
-    // No need to repaint the window when it's hidden.
-    if (!window->isVisible()) {
-        return;
-    }
-    if (!((window->windowState() & (Qt::WindowMinimized | Qt::WindowMaximized | Qt::WindowFullScreen)) || q->isWindowFixedSize())) {
-        const QSize originalSize = window->size();
-        static constexpr const auto margins = QMargins{ 10, 10, 10, 10 };
-        window->resize(originalSize.shrunkBy(margins));
-        window->resize(originalSize.grownBy(margins));
-        window->resize(originalSize);
-    }
-    window->requestUpdate();
+        // No need to repaint the window when it's hidden.
+        if (!window->isVisible()) {
+            return;
+        }
+        if (!((window->windowState() & (Qt::WindowMinimized | Qt::WindowMaximized | Qt::WindowFullScreen)) || q->isWindowFixedSize())) {
+            const QSize originalSize = window->size();
+            static constexpr const auto margins = QMargins{ 10, 10, 10, 10 };
+            window->resize(originalSize.shrunkBy(margins));
+            window->resize(originalSize.grownBy(margins));
+            window->resize(originalSize);
+        }
+        window->requestUpdate();
 #if 0 // Calling QWindow::requestUpdate() should be enough.
-    const QList<QQuickItem *> items = window->findChildren<QQuickItem *>();
-    for (auto &&item : std::as_const(items)) {
-        // Only items with the "QQuickItem::ItemHasContents" flag enabled are allowed to call "update()".
-        // And don't repaint the item if it's hidden.
-        if ((item->flags() & QQuickItem::ItemHasContents) && item->isVisible()) {
-            item->update();
+        const QList<QQuickItem *> items = window->findChildren<QQuickItem *>();
+        for (auto &&item : std::as_const(items)) {
+            // Only items with the "QQuickItem::ItemHasContents" flag enabled are allowed to call "update()".
+            // And don't repaint the item if it's hidden.
+            if ((item->flags() & QQuickItem::ItemHasContents) && item->isVisible()) {
+                item->update();
+            }
         }
-    }
 #endif
-    repaintTimer.stop();
+    }
 }
 
 quint32 FramelessQuickHelperPrivate::readyWaitTime() const
diff --git a/src/widgets/framelesswidgetshelper.cpp b/src/widgets/framelesswidgetshelper.cpp
index e6866605..344055a0 100644
--- a/src/widgets/framelesswidgetshelper.cpp
+++ b/src/widgets/framelesswidgetshelper.cpp
@@ -374,15 +374,20 @@ void FramelessWidgetsHelperPrivate::repaintAllChildren()
 
 void FramelessWidgetsHelperPrivate::doRepaintAllChildren()
 {
+    repaintTimer.stop();
     if (!window) {
         return;
     }
-    forceWidgetRepaint(window);
-    const QList<QWidget *> widgets = window->findChildren<QWidget *>();
-    for (auto &&widget : std::as_const(widgets)) {
-        forceWidgetRepaint(widget);
+    static bool firstTime = true;
+    if (firstTime) {
+        firstTime = false;
+    } else {
+        forceWidgetRepaint(window);
+        const QList<QWidget *> widgets = window->findChildren<QWidget *>();
+        for (auto &&widget : std::as_const(widgets)) {
+            forceWidgetRepaint(widget);
+        }
     }
-    repaintTimer.stop();
 }
 
 quint32 FramelessWidgetsHelperPrivate::readyWaitTime() const