diff --git a/Add-dependency-ddcutil.patch b/Add-dependency-ddcutil.patch
new file mode 100644
index 0000000..52c9338
--- /dev/null
+++ b/Add-dependency-ddcutil.patch
@@ -0,0 +1,24 @@
+From a16a9dfc376d0bd23b25627084fccb2c87b9fe58 Mon Sep 17 00:00:00 2001
+From: tanyulong2021 <tanyulong@kylinos.cn>
+Date: Thu, 28 Jul 2022 16:51:41 +0800
+Subject: [PATCH] add dependency ddcutil
+
+---
+ debian/control | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/debian/control b/debian/control
+index c9b3f2e..3d1a8bc 100644
+--- a/debian/control
++++ b/debian/control
+@@ -56,6 +56,7 @@ Depends: ${shlibs:Depends},
+          qml-module-qtquick-controls,
+          qt5-image-formats-plugins,
+          dconf-cli,
++	 ddcutil,
+          kylin-software-properties(>=0.0.1-55),
+ 	 kylin-update-manager(>=5.4.6kord~rc5),
+          language-selector-gnome,
+-- 
+2.33.0
+
diff --git a/ukui-control-center.spec b/ukui-control-center.spec
index f616388..a4e67d0 100644
--- a/ukui-control-center.spec
+++ b/ukui-control-center.spec
@@ -1,7 +1,7 @@
 %define debug_package %{nil}
 Name:           ukui-control-center
 Version:        3.0.1
-Release:        25
+Release:        26
 Summary:        utilities to configure the UKUI desktop
 License:        GPL-2+
 URL:            http://www.ukui.org
@@ -96,6 +96,7 @@ Suggests: ukui-settings-daemon
 #Suggests: qt5-qtgraphicaleffects
 
 Patch01:Modify-the-icon-displayed-on-the-tray.patch
+Patch02:Add-dependency-ddcutil.patch
 
 %description
  The UKUI control center contains configuration applets for the UKUI desktop,
@@ -106,6 +107,7 @@ Patch01:Modify-the-icon-displayed-on-the-tray.patch
 %prep
 %setup -q
 %patch01 -p1
+%patch02 -p1
 
 %build
 qmake-qt5
@@ -153,6 +155,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Thu Jul 28 2022 tanyulong <tanyulong@kylinos.cn> - 3.0.1-26
+- add dependency ddcutil to make HDMI brightness adjustment available
+
 * Tue Jun 28 2022 peijiankang <peijiankang@kylinos.cn> - 3.0.1-25
 - update about.png for openEuler