diff --git a/0006-Add-fractional-scaling-parameters.patch b/0006-Add-fractional-scaling-parameters.patch
deleted file mode 100644
index 45f94d9..0000000
--- a/0006-Add-fractional-scaling-parameters.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-From 5e78ddb24d5b562d724282243617d115b5800fe6 Mon Sep 17 00:00:00 2001
-From: tanyulong <tanyulong@kylinos.cn>
-Date: Sat, 30 Oct 2021 14:57:31 +0800
-Subject: [PATCH] Add fractional scaling parameters
-
----
- src/ukui-screensaver-dialog.cpp | 12 +++++++++---
- 1 file changed, 9 insertions(+), 3 deletions(-)
-
-diff --git a/src/ukui-screensaver-dialog.cpp b/src/ukui-screensaver-dialog.cpp
-index 237b377..c6b2d3a 100755
---- a/src/ukui-screensaver-dialog.cpp
-+++ b/src/ukui-screensaver-dialog.cpp
-@@ -124,11 +124,17 @@ int main(int argc, char *argv[])
-     checkIsRunning();
-     checkIslivecd();
- 	
--#if(QT_VERSION>=QT_VERSION_CHECK(5,6,0))
--    QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
--    QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
-+#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
-+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
-+    QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
- #endif
- 
-+#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
-+    QApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
-+#endif
-+
-+
-+ 
-     qunsetenv("QT_IM_MODULE");
-  //   signal(SIGTERM,handler);
-     QApplication a(argc, argv);
--- 
-2.30.0
-
diff --git a/0007-screen-saver-mode-is-set-to-single-and-the-problem-of-segfault.patch b/0007-screen-saver-mode-is-set-to-single-and-the-problem-of-segfault.patch
new file mode 100644
index 0000000..1ff4090
--- /dev/null
+++ b/0007-screen-saver-mode-is-set-to-single-and-the-problem-of-segfault.patch
@@ -0,0 +1,28 @@
+From 53c17d4f9cf4a85f662b2ebdbb97610cb91ed237 Mon Sep 17 00:00:00 2001
+From: tanyulong <tanyulong@kylinos.cn>
+Date: Mon, 1 Nov 2021 11:08:30 +0800
+Subject: [PATCH]  screen saver mode is set to single and the problem of
+ segfault
+
+---
+ src/configuration.cpp | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/configuration.cpp b/src/configuration.cpp
+index 6590172..f67f844 100755
+--- a/src/configuration.cpp
++++ b/src/configuration.cpp
+@@ -141,6 +141,10 @@ ScreenSaver *Configuration::getScreensaver()
+         break;
+     }
+     case SAVER_SINGLE:
++    	if(themes.count()==0){
++	    saver->path = "/usr/lib/ukui-screensaver/ukui-screensaver-default";
++	    break;
++   	 }
+         saver->path = getXScreensaverPath(themes[0]);
+         break;
+     case SAVER_IMAGE:
+-- 
+2.30.0
+
diff --git a/ukui-screensaver.spec b/ukui-screensaver.spec
index 28e53c1..38bb5d7 100644
--- a/ukui-screensaver.spec
+++ b/ukui-screensaver.spec
@@ -1,6 +1,6 @@
 Name:           ukui-screensaver
 Version:        3.0.1
-Release:        7
+Release:        8
 Summary:        parallels toolbox for UKUI
 License:        GPL-3+ GPL-2+
 URL:            http://www.ukui.org
@@ -31,7 +31,8 @@ patch1:  0002-fix-ukui-screensaver-dialog-lock.patch
 patch2:  0003-Fix-a-return-type-error.patch
 patch3:	 0004-remove-in-debian-copyright-file.patch
 patch4:	 0005-Add-sentence-author-info.patch
-patch5:	 0006-Add-fractional-scaling-parameters.patch
+#patch5:	 0006-Add-fractional-scaling-parameters.patch
+patch6:	 0007-screen-saver-mode-is-set-to-single-and-the-problem-of-segfault.patch
 
 %description
  The ukui-sidebar is mainly used in the desktop operating system.
@@ -46,7 +47,8 @@ patch5:	 0006-Add-fractional-scaling-parameters.patch
 %patch2 -p1
 %patch3 -p1
 %patch4 -p1
-%patch5 -p1
+#%patch5 -p1
+%patch6 -p1
 
 %build
 cmake .
@@ -75,6 +77,9 @@ rm -rf $RPM_BUILD_ROOT
 #%%{_datadir}/ukui-screensaver/screensaver-en.ini
 
 %changelog
+* Mon Nov 1  2021 tanyulong <tanyulong@kylinos.cn> - 3.0.1-8
+- When the screen saver mode is set to single, but the screen saver is empty, the problem of segfault
+
 * Sat Oct 30 2021 tanyulong <tanyulong@kylinos.cn> - 3.0.1-7
 - Add fractional scaling parameters