diff --git a/0004-fix-the-backlight-of-nightmode-button.patch b/0004-fix-the-backlight-of-nightmode-button.patch
new file mode 100644
index 0000000..4cfd782
--- /dev/null
+++ b/0004-fix-the-backlight-of-nightmode-button.patch
@@ -0,0 +1,25 @@
+From f55995216f816ab8b8e61e82b83f81485348f6b7 Mon Sep 17 00:00:00 2001
+From: peijiankang <peijiankang@kylinos.cn>
+Date: Thu, 16 Mar 2023 17:24:20 +0800
+Subject: [PATCH] fix the backlight of nightmode button
+
+---
+ panel/img/nightmode-light.svg | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/panel/img/nightmode-light.svg b/panel/img/nightmode-light.svg
+index b1cc251..ffd17f3 100644
+--- a/panel/img/nightmode-light.svg
++++ b/panel/img/nightmode-light.svg
+@@ -3,7 +3,7 @@
+ <svg version="1.1" id="图层_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
+ 	 viewBox="0 0 24 24" style="enable-background:new 0 0 24 24;" xml:space="preserve">
+ <style type="text/css">
+-	.st0{fill:#FFFFFF;}
++	.st0{fill:#333333;}
+ </style>
+ <g>
+ 	<g>
+-- 
+2.39.1
+
diff --git a/ukui-panel.spec b/ukui-panel.spec
index 2190af8..45e7e81 100644
--- a/ukui-panel.spec
+++ b/ukui-panel.spec
@@ -1,6 +1,6 @@
 Name:           ukui-panel
 Version:        3.1.0
-Release:        7
+Release:        8
 Summary:        ukui desktop panel
 License:        LGPL-2.0-or-later  and GPL-2.0-or-later and BSD
 URL:            http://www.ukui.org
@@ -8,6 +8,7 @@ Source0:        %{name}-%{version}.tar.gz
 Patch01:        0001-fix-translation-problem-of-ukui-panel.patch
 Patch02:        0002-fix-translation-of-calendar.patch
 Patch03:        0003-fix-nightnode-button-nodisplay.patch
+Patch04:        0004-fix-the-backlight-of-nightmode-button.patch
 
 BuildRequires: cmake
 BuildRequires: alsa-lib-devel
@@ -58,6 +59,7 @@ Recommends: time-shutdown
 %patch01 -p1
 %patch02 -p1
 %patch03 -p1
+%patch04 -p1
 
 %build
 mkdir build && cd build
@@ -80,6 +82,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/*
 
 %changelog
+* Thu Mar 16 2023 peijiankang <peijiankang@kylinos.cn> - 3.1.0-8
+- fix the backlight of nightmode button
+
 * Tue Feb 07 2023 tanyulong <tanyulong@kylinos.cn> - 3.1.0-7
 - Enable debuginfo for fix strip