diff --git a/0001-add-and-use-attribute-of-UseHighDpiPixmaps.patch b/0001-add-and-use-attribute-of-UseHighDpiPixmaps.patch
new file mode 100644
index 0000000..74fa97d
--- /dev/null
+++ b/0001-add-and-use-attribute-of-UseHighDpiPixmaps.patch
@@ -0,0 +1,28 @@
+From 746dea55c9b8465944430ecb8544d2c68b4fd3ab Mon Sep 17 00:00:00 2001
+From: tanyulong2021 <tanyulong@kylinos.cn>
+Date: Thu, 4 Aug 2022 11:51:36 +0800
+Subject: [PATCH] add and use attribute of UseHighDpiPixmaps
+
+---
+ src/ukui-screensaver-dialog.cpp | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/src/ukui-screensaver-dialog.cpp b/src/ukui-screensaver-dialog.cpp
+index cd69513..ad49e1b 100644
+--- a/src/ukui-screensaver-dialog.cpp
++++ b/src/ukui-screensaver-dialog.cpp
+@@ -116,6 +116,11 @@ int main(int argc, char *argv[])
+ {
+     checkIsRunning();
+     checkIslivecd();
++    #if(QT_VERSION >= QT_VERSION_CHECK(5,6,0))
++       QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
++       QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
++    #endif
++
+     QApplication a(argc, argv);
+     QApplication::setSetuidAllowed(true);
+ 
+-- 
+2.33.0
+
diff --git a/ukui-screensaver.spec b/ukui-screensaver.spec
index b13e3a7..8736a1c 100644
--- a/ukui-screensaver.spec
+++ b/ukui-screensaver.spec
@@ -1,6 +1,6 @@
 Name:           ukui-screensaver
 Version:        3.0.1
-Release:        20
+Release:        21
 Summary:        parallels toolbox for UKUI
 License:        GPL-2.0-or-later and GPL-3.0-or-later
 URL:            http://www.ukui.org
@@ -26,6 +26,8 @@ Requires: qt5-qttools-devel
 Requires: gsettings-qt-devel
 Requires: dconf-devel
 
+patch0 :  0001-add-and-use-attribute-of-UseHighDpiPixmaps.patch
+
 %description
  The ukui-sidebar is mainly used in the desktop operating system.
  It pops up from the right side of the desktop in the form of a tray,
@@ -34,6 +36,7 @@ Requires: dconf-devel
 
 %prep
 %setup -q
+%patch0 -p1
 
 %build
 cmake .
@@ -62,6 +65,9 @@ rm -rf $RPM_BUILD_ROOT
 #%%{_datadir}/ukui-screensaver/screensaver-en.ini
 
 %changelog
+* Thu Aug 04 2022 tanyulong<tanyulong@kylinos.cn> - 3.0.1-21
+- add and use attribute of UseHighDpiPixmaps
+
 * Fri May 20 2022 tanyulong<tanyulong@kylinos.cn> - 3.0.1-20
 - Improve the project according to the requirements of compliance improvement