diff --git a/examples/QWidget2/widget.cpp b/examples/QWidget2/widget.cpp
index fbcb4a6..50aec0b 100644
--- a/examples/QWidget2/widget.cpp
+++ b/examples/QWidget2/widget.cpp
@@ -83,16 +83,16 @@ bool Widget::isNormal() const
 void Widget::setupUi()
 {
     contentsWidget = new ContentsWidget(this);
-    contentsWidget->setObjectName(QLatin1String("contentsWidget"));
+    contentsWidget->setObjectName(QString::fromUtf8("contentsWidget"));
     contentsWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     const QSize systemButtonSize = {qRound(titleBarHeight * 1.5), titleBarHeight};
     const QSize systemIconSize = {17, 17};
     titleBarWidget = new QWidget(contentsWidget);
-    titleBarWidget->setObjectName(QLatin1String("titleBarWidget"));
+    titleBarWidget->setObjectName(QString::fromUtf8("titleBarWidget"));
     titleBarWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
     titleBarWidget->setFixedHeight(titleBarHeight);
     windowIconButton = new QPushButton(this);
-    windowIconButton->setObjectName(QLatin1String("windowIconButton"));
+    windowIconButton->setObjectName(QString::fromUtf8("windowIconButton"));
     windowIconButton->setFixedSize(systemIconSize);
     windowIconButton->setIconSize(systemIconSize);
     connect(this, &Widget::windowIconChanged, windowIconButton, &QPushButton::setIcon);
@@ -102,16 +102,16 @@ void Widget::setupUi()
     windowTitleLabel->setFont(f);
     connect(this, &Widget::windowTitleChanged, windowTitleLabel, &QLabel::setText);
     minimizeButton = new QPushButton(this);
-    minimizeButton->setObjectName(QLatin1String("minimizeButton"));
+    minimizeButton->setObjectName(QString::fromUtf8("minimizeButton"));
     minimizeButton->setFixedSize(systemButtonSize);
     minimizeButton->setIconSize(systemButtonSize);
-    minimizeButton->setIcon(QIcon(QLatin1String(":/images/button_minimize_black.svg")));
+    minimizeButton->setIcon(QIcon(QString::fromUtf8(":/images/button_minimize_black.svg")));
     connect(minimizeButton, &QPushButton::clicked, this, &Widget::showMinimized);
     maximizeButton = new QPushButton(this);
-    maximizeButton->setObjectName(QLatin1String("maximizeButton"));
+    maximizeButton->setObjectName(QString::fromUtf8("maximizeButton"));
     maximizeButton->setFixedSize(systemButtonSize);
     maximizeButton->setIconSize(systemButtonSize);
-    maximizeButton->setIcon(QIcon(QLatin1String(":/images/button_maximize_black.svg")));
+    maximizeButton->setIcon(QIcon(QString::fromUtf8(":/images/button_maximize_black.svg")));
     connect(maximizeButton, &QPushButton::clicked, this, [this]() {
         if (isMaximized()) {
             showNormal();
@@ -120,10 +120,10 @@ void Widget::setupUi()
         }
     });
     closeButton = new QPushButton(this);
-    closeButton->setObjectName(QLatin1String("closeButton"));
+    closeButton->setObjectName(QString::fromUtf8("closeButton"));
     closeButton->setFixedSize(systemButtonSize);
     closeButton->setIconSize(systemButtonSize);
-    closeButton->setIcon(QIcon(QLatin1String(":/images/button_close_black.svg")));
+    closeButton->setIcon(QIcon(QString::fromUtf8(":/images/button_close_black.svg")));
     connect(closeButton, &QPushButton::clicked, this, &Widget::close);
     const auto titleBarWidgetLayout = new QHBoxLayout(titleBarWidget);
     titleBarWidgetLayout->setSpacing(0);
@@ -149,7 +149,7 @@ void Widget::setupUi()
     backgroundWindowLayout->setSpacing(0);
     backgroundWindowLayout->addWidget(contentsWidget);
     setLayout(backgroundWindowLayout);
-    setStyleSheet(QLatin1String(R"(
+    setStyleSheet(QString::fromUtf8(R"(
 #contentsWidget {
   background-color: #f0f0f0;
 }
@@ -236,9 +236,8 @@ bool Widget::eventFilter(QObject *object, QEvent *event)
             setFrameShadowEnabled(normal);
             framelessHelper()->setTitleBarHeight(
                 titleBarHeight + (normal ? framelessHelper()->getBorderHeight() : 0));
-            const QLatin1String maxIconPath = QLatin1String{":/images/button_maximize_black.svg"};
-            const QLatin1String restoreIconPath = QLatin1String{
-                ":/images/button_restore_black.svg"};
+            const QString maxIconPath = QString::fromUtf8(":/images/button_maximize_black.svg");
+            const QString restoreIconPath = QString::fromUtf8(":/images/button_restore_black.svg");
             maximizeButton->setIcon(QIcon(normal ? maxIconPath : restoreIconPath));
         } break;
         case QEvent::WindowActivate: {
diff --git a/examples/Win32Demo/main.cpp b/examples/Win32Demo/main.cpp
index 0c82980..6c8ddf6 100644
--- a/examples/Win32Demo/main.cpp
+++ b/examples/Win32Demo/main.cpp
@@ -52,7 +52,7 @@ int main(int argc, char *argv[])
 
     QApplication application(argc, argv);
 
-    QApplication::setFont({QLatin1String("Microsoft YaHei")});
+    QApplication::setFont({QString::fromUtf8("Microsoft YaHei")});
 
     Widget widget;
 
diff --git a/examples/Win32Demo/widget.cpp b/examples/Win32Demo/widget.cpp
index dcd62cb..68599fa 100644
--- a/examples/Win32Demo/widget.cpp
+++ b/examples/Win32Demo/widget.cpp
@@ -68,7 +68,7 @@ const char g_sUseNativeTitleBar[] = "WNEF_USE_NATIVE_TITLE_BAR";
 const char g_sPreserveWindowFrame[] = "WNEF_FORCE_PRESERVE_WINDOW_FRAME";
 const char g_sForceUseAcrylicEffect[] = "WNEF_FORCE_ACRYLIC_ON_WIN10";
 
-const QLatin1String g_sSystemButtonsStyleSheet(R"(
+const QString g_sSystemButtonsStyleSheet = QString::fromUtf8(R"(
 #iconButton, #minimizeButton, #maximizeButton, #closeButton {
   border-style: none;
   background-color: transparent;
@@ -90,54 +90,28 @@ const QLatin1String g_sSystemButtonsStyleSheet(R"(
   background-color: #8c0a15;
 }
 )");
-const
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-    QString
-#else
-    QLatin1String
-#endif
-        g_sTitleLabelStyleSheet(
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-            QString::fromLatin1(
-#endif
-                R"(
+
+const QString g_sTitleLabelStyleSheet = QString::fromUtf8(R"(
 #titleLabel {
   color: rgb(%1, %2, %3);
 }
-)"
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-                )
-#endif
-        );
-const
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-    QString
-#else
-    QLatin1String
-#endif
-        g_sTitleBarStyleSheet(
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-            QString::fromLatin1(
-#endif
-                R"(
+)");
+
+const QString g_sTitleBarStyleSheet = QString::fromUtf8(R"(
 #titleBarWidget {
   background-color: rgba(%1, %2, %3, %4);
   border-top: 1px solid rgba(%5, %6, %7, %8);
 }
-)"
-#if (QT_VERSION < QT_VERSION_CHECK(5, 14, 0))
-                )
-#endif
-        );
+)");
 
-const QLatin1String g_sMinimizeButtonImageDark(":/images/button_minimize_black.svg");
-const QLatin1String g_sMaximizeButtonImageDark(":/images/button_maximize_black.svg");
-const QLatin1String g_sRestoreButtonImageDark(":/images/button_restore_black.svg");
-const QLatin1String g_sCloseButtonImageDark(":/images/button_close_black.svg");
-const QLatin1String g_sMinimizeButtonImageLight(":/images/button_minimize_white.svg");
-const QLatin1String g_sMaximizeButtonImageLight(":/images/button_maximize_white.svg");
-const QLatin1String g_sRestoreButtonImageLight(":/images/button_restore_white.svg");
-const QLatin1String g_sCloseButtonImageLight(":/images/button_close_white.svg");
+const QString g_sMinimizeButtonImageDark = QString::fromUtf8(":/images/button_minimize_black.svg");
+const QString g_sMaximizeButtonImageDark = QString::fromUtf8(":/images/button_maximize_black.svg");
+const QString g_sRestoreButtonImageDark = QString::fromUtf8(":/images/button_restore_black.svg");
+const QString g_sCloseButtonImageDark = QString::fromUtf8(":/images/button_close_black.svg");
+const QString g_sMinimizeButtonImageLight = QString::fromUtf8(":/images/button_minimize_white.svg");
+const QString g_sMaximizeButtonImageLight = QString::fromUtf8(":/images/button_maximize_white.svg");
+const QString g_sRestoreButtonImageLight = QString::fromUtf8(":/images/button_restore_white.svg");
+const QString g_sCloseButtonImageLight = QString::fromUtf8(":/images/button_close_white.svg");
 
 void updateQtFrame(const QWindow *window, const int tbh)
 {
@@ -201,7 +175,7 @@ void Widget::setupUi()
     resize(1056, 600);
     verticalLayout_3 = new QVBoxLayout(this);
     titleBarWidget = new QWidget(this);
-    titleBarWidget->setObjectName(QLatin1String("titleBarWidget"));
+    titleBarWidget->setObjectName(QString::fromUtf8("titleBarWidget"));
     QSizePolicy sizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
     sizePolicy.setHorizontalStretch(0);
     sizePolicy.setVerticalStretch(0);
@@ -219,12 +193,12 @@ void Widget::setupUi()
     horizontalSpacer_7 = new QSpacerItem(3, 20, QSizePolicy::Fixed, QSizePolicy::Minimum);
     horizontalLayout->addSpacerItem(horizontalSpacer_7);
     iconButton = new QPushButton(titleBarWidget);
-    iconButton->setObjectName(QLatin1String("iconButton"));
+    iconButton->setObjectName(QString::fromUtf8("iconButton"));
     horizontalLayout->addWidget(iconButton);
     horizontalSpacer = new QSpacerItem(3, 20, QSizePolicy::Fixed, QSizePolicy::Minimum);
     horizontalLayout->addSpacerItem(horizontalSpacer);
     titleLabel = new QLabel(titleBarWidget);
-    titleLabel->setObjectName(QLatin1String("titleLabel"));
+    titleLabel->setObjectName(QString::fromUtf8("titleLabel"));
     QFont font;
     font.setPointSize(10);
     titleLabel->setFont(font);
@@ -232,7 +206,7 @@ void Widget::setupUi()
     horizontalSpacer_2 = new QSpacerItem(40, 20, QSizePolicy::Expanding, QSizePolicy::Minimum);
     horizontalLayout->addSpacerItem(horizontalSpacer_2);
     minimizeButton = new QPushButton(titleBarWidget);
-    minimizeButton->setObjectName(QLatin1String("minimizeButton"));
+    minimizeButton->setObjectName(QString::fromUtf8("minimizeButton"));
     QSizePolicy sizePolicy1(QSizePolicy::Fixed, QSizePolicy::Fixed);
     sizePolicy1.setHorizontalStretch(0);
     sizePolicy1.setVerticalStretch(0);
@@ -247,7 +221,7 @@ void Widget::setupUi()
     minimizeButton->setIconSize(systemButtonSize);
     horizontalLayout->addWidget(minimizeButton);
     maximizeButton = new QPushButton(titleBarWidget);
-    maximizeButton->setObjectName(QLatin1String("maximizeButton"));
+    maximizeButton->setObjectName(QString::fromUtf8("maximizeButton"));
     sizePolicy1.setHeightForWidth(maximizeButton->sizePolicy().hasHeightForWidth());
     maximizeButton->setSizePolicy(sizePolicy1);
     maximizeButton->setMinimumSize(systemButtonSize);
@@ -258,7 +232,7 @@ void Widget::setupUi()
     maximizeButton->setIconSize(systemButtonSize);
     horizontalLayout->addWidget(maximizeButton);
     closeButton = new QPushButton(titleBarWidget);
-    closeButton->setObjectName(QLatin1String("closeButton"));
+    closeButton->setObjectName(QString::fromUtf8("closeButton"));
     sizePolicy1.setHeightForWidth(closeButton->sizePolicy().hasHeightForWidth());
     closeButton->setSizePolicy(sizePolicy1);
     closeButton->setMinimumSize(systemButtonSize);
diff --git a/winnativeeventfilter.cpp b/winnativeeventfilter.cpp
index 5cf6d55..da388c4 100644
--- a/winnativeeventfilter.cpp
+++ b/winnativeeventfilter.cpp
@@ -650,7 +650,7 @@ using WNEF_CORE_DATA = struct _WNEF_CORE_DATA
         WNEF_RESOLVE_WINAPI(User32, SetWindowLongPtrW)
         WNEF_RESOLVE_WINAPI(User32, GetClassLongPtrW)
         WNEF_RESOLVE_WINAPI(User32, SetClassLongPtrW)
-#else  // Q_PROCESSOR_X86_64
+#else // Q_PROCESSOR_X86_64
         WNEF_RESOLVE_WINAPI(User32, GetWindowLongW)
         WNEF_RESOLVE_WINAPI(User32, SetWindowLongW)
         WNEF_RESOLVE_WINAPI(User32, GetClassLongW)
@@ -797,8 +797,9 @@ const int m_defaultBorderWidth = 8, m_defaultBorderHeight = 8, m_defaultTitleBar
 const int kAutoHideTaskbarThicknessPx = 2;
 const int kAutoHideTaskbarThicknessPy = kAutoHideTaskbarThicknessPx;
 
-const QLatin1String g_sDwmRegistryKey(R"(HKEY_CURRENT_USER\Software\Microsoft\Windows\DWM)");
-const QLatin1String g_sPersonalizeRegistryKey(
+const QString g_sDwmRegistryKey = QString::fromUtf8(
+    R"(HKEY_CURRENT_USER\Software\Microsoft\Windows\DWM)");
+const QString g_sPersonalizeRegistryKey = QString::fromUtf8(
     R"(HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize)");
 
 const char m_framelessMode[] = "_WNEF_FRAMELESS_MODE_ENABLED";
@@ -1616,8 +1617,8 @@ bool WinNativeEventFilter::isColorizationEnabled()
     }
     bool ok = false;
     const QSettings registry(g_sDwmRegistryKey, QSettings::NativeFormat);
-    const bool colorPrevalence = registry.value(QLatin1String("ColorPrevalence"), 0).toULongLong(&ok)
-                                 != 0;
+    const bool colorPrevalence
+        = registry.value(QString::fromUtf8("ColorPrevalence"), 0).toULongLong(&ok) != 0;
     return (ok && colorPrevalence);
 }
 
@@ -1686,6 +1687,6 @@ bool WinNativeEventFilter::isTransparencyEffectEnabled()
     bool ok = false;
     const QSettings registry(g_sPersonalizeRegistryKey, QSettings::NativeFormat);
     const bool enableTransparency
-        = registry.value(QLatin1String("EnableTransparency"), 0).toULongLong(&ok) != 0;
+        = registry.value(QString::fromUtf8("EnableTransparency"), 0).toULongLong(&ok) != 0;
     return (ok && enableTransparency);
 }