diff --git a/example/src/main.cpp b/example/src/main.cpp
index a9562905..d5df129e 100644
--- a/example/src/main.cpp
+++ b/example/src/main.cpp
@@ -14,8 +14,15 @@
 
 FRAMELESSHELPER_USE_NAMESPACE
 
-    int main(int argc, char *argv[])
+int main(int argc, char *argv[])
 {
+#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
+    QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
+    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
+#endif
+#endif
     //将样式设置为Basic，不然会导致组件显示异常
     qputenv("QT_QUICK_CONTROLS_STYLE","Basic");
     FramelessHelper::Quick::initialize();
diff --git a/example/src/stdafx.h b/example/src/stdafx.h
index a7581723..b0fd29a0 100644
--- a/example/src/stdafx.h
+++ b/example/src/stdafx.h
@@ -1,7 +1,3 @@
-//#if defined(_MSC_VER) && (_MSC_VER >= 1600)
-//#pragma execution_character_set("utf-8")
-//#endif
-
 #ifndef STDAFX_H
 #define STDAFX_H