diff --git a/platformthemeplugin/qdeepintheme.cpp b/platformthemeplugin/qdeepintheme.cpp
index e98487b..45e90bc 100644
--- a/platformthemeplugin/qdeepintheme.cpp
+++ b/platformthemeplugin/qdeepintheme.cpp
@@ -571,10 +571,18 @@ static bool updateScreenScaleFactors(DThemeSettings *s, const QByteArray &value,
     }
 
     QHighDpiScaling::updateHighDpiScaling();
+#if QT_VERSION < QT_VERSION_CHECK(5,14,0)
     qDebug() << QHighDpiScaling::logicalDpi();
+#else
+    qDebug() << QHighDpiScaling::logicalDpi(QGuiApplication::primaryScreen());
+#endif
     updateScaleLogcailDpi(s->scaleLogicalDpi());
 
+#if QT_VERSION < QT_VERSION_CHECK(5,14,0)
     qDebug() << QHighDpiScaling::logicalDpi();
+#else
+    qDebug() << QHighDpiScaling::logicalDpi(QGuiApplication::primaryScreen());
+#endif
 
     return true;
 }
--- a/platformthemeplugin/qdeepintheme.cpp	2019-12-19 17:45:47.396894045 +0800
+++ b/platformthemeplugin/qdeepintheme.cpp	2019-12-19 17:46:28.436136243 +0800
@@ -516,19 +516,7 @@
 static bool updateScaleLogcailDpi(const QPair<qreal, qreal> &dpi)
 {
     bool ok = dpi.first >= 0 && dpi.second >= 0;
-
-    if (dpi.first > 0) {
-        QHighDpiScaling::m_logicalDpi.first = dpi.first;
-    } else if (qIsNull(dpi.first)) {
-        QHighDpiScaling::m_logicalDpi.first = qGuiApp->primaryScreen()->handle()->logicalDpi().first;
-    }
-
-    if (dpi.second > 0) {
-        QHighDpiScaling::m_logicalDpi.second = dpi.second;
-    } else if (qIsNull(dpi.second)) {
-        QHighDpiScaling::m_logicalDpi.second = qGuiApp->primaryScreen()->handle()->logicalDpi().second;
-    }
-
+    QHighDpiScaling::m_usePixelDensity = false;
     return ok;
 }