diff --git a/0003-Fix-a-return-type-error.patch b/0003-Fix-a-return-type-error.patch
new file mode 100644
index 0000000..ff97d17
--- /dev/null
+++ b/0003-Fix-a-return-type-error.patch
@@ -0,0 +1,24 @@
+From 2c1aad754aa7b1923c5d2e3805f9352a0dd79a82 Mon Sep 17 00:00:00 2001
+From: tanyulong <tanyulong@kylinos.cn>
+Date: Thu, 28 Oct 2021 17:07:08 +0800
+Subject: [PATCH] Fix a return type error
+
+---
+ src/screensaver.cpp | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/screensaver.cpp b/src/screensaver.cpp
+index 601b325..8e35ab1 100755
+--- a/src/screensaver.cpp
++++ b/src/screensaver.cpp
+@@ -63,6 +63,7 @@ bool ScreenSaver::exists()
+     case SAVER_IMAGE:
+         return QDir(path).exists();
+     }
++    return false;
+ }
+ 
+ void ScreenSaver::startSwitchImages()
+-- 
+2.30.0
+
diff --git a/ukui-screensaver.spec b/ukui-screensaver.spec
index c9c7308..6193c58 100644
--- a/ukui-screensaver.spec
+++ b/ukui-screensaver.spec
@@ -1,6 +1,6 @@
 Name:           ukui-screensaver
 Version:        3.0.1
-Release:        3
+Release:        4
 Summary:        parallels toolbox for UKUI
 License:        GPL-3+ GPL-2+
 URL:            http://www.ukui.org
@@ -28,6 +28,7 @@ Requires: dconf-devel
 
 patch0:  0001-fix-icon-misplaced.patch
 patch1:  0002-fix-ukui-screensaver-dialog-lock.patch
+patch2:  0003-Fix-a-return-type-error.patch
 
 %description
  The ukui-sidebar is mainly used in the desktop operating system.
@@ -39,6 +40,7 @@ patch1:  0002-fix-ukui-screensaver-dialog-lock.patch
 %setup -q
 %patch0 -p1
 %patch1 -p1
+%patch2 -p1
 
 %build
 cmake .
@@ -67,6 +69,9 @@ rm -rf $RPM_BUILD_ROOT
 #%%{_datadir}/ukui-screensaver/screensaver-en.ini
 
 %changelog
+* Thu Oct 28 2021 tanyulong <tanyulong@kylinos.cn> - 3.0.1-4
+- Fix a return type error
+
 * Wed Jan 13 2021 lvhan <lvhan@kylinos.cn> - 3.0.1-3
 - 0002-fix-ukui-screensaver-dialog-lock.patch