diff --git a/0009-only-one-user-the-switch-user-button-is-not-displayed.patch b/0009-only-one-user-the-switch-user-button-is-not-displayed.patch
new file mode 100644
index 0000000..ba7b9a1
--- /dev/null
+++ b/0009-only-one-user-the-switch-user-button-is-not-displayed.patch
@@ -0,0 +1,27 @@
+From 1e26460fc8b4cd856feade5711004f5d85391f2c Mon Sep 17 00:00:00 2001
+From: tanyulong <tanyulong@kylinos.cn>
+Date: Fri, 5 Nov 2021 14:25:30 +0800
+Subject: [PATCH] only one user the switch user button is not displayed
+
+---
+ src/lockwidget.cpp | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/lockwidget.cpp b/src/lockwidget.cpp
+index 9a62ef7..0b75b6d 100755
+--- a/src/lockwidget.cpp
++++ b/src/lockwidget.cpp
+@@ -52,6 +52,10 @@ LockWidget::LockWidget(QWidget *parent)
+             authDialog, &AuthDialog::onCapsLockChanged);
+     this->installEventFilter(this);
+     initUI();
++
++    if(users->getUsers().count() < 2){
++	    ui->btnSwitchUser->hide();
++    }
+ }
+ 
+ LockWidget::~LockWidget()
+-- 
+2.30.0
+
diff --git a/ukui-screensaver.spec b/ukui-screensaver.spec
index 6d3cfed..b472148 100644
--- a/ukui-screensaver.spec
+++ b/ukui-screensaver.spec
@@ -1,6 +1,6 @@
 Name:           ukui-screensaver
 Version:        3.0.1
-Release:        9
+Release:        10
 Summary:        parallels toolbox for UKUI
 License:        GPL-3+ GPL-2+
 URL:            http://www.ukui.org
@@ -34,6 +34,7 @@ patch4:	 0005-Add-sentence-author-info.patch
 #patch5:	 0006-Add-fractional-scaling-parameters.patch
 patch6:	 0007-screen-saver-mode-is-set-to-single-and-the-problem-of-segfault.patch
 patch7:  0008-Screen-saver-add-x11-attribute.patch
+patch8:	 0009-only-one-user-the-switch-user-button-is-not-displayed.patch
 
 %description
  The ukui-sidebar is mainly used in the desktop operating system.
@@ -51,6 +52,7 @@ patch7:  0008-Screen-saver-add-x11-attribute.patch
 #%patch5 -p1
 %patch6 -p1
 %patch7 -p1
+%patch8 -p1
 
 %build
 cmake .
@@ -79,7 +81,10 @@ rm -rf $RPM_BUILD_ROOT
 #%%{_datadir}/ukui-screensaver/screensaver-en.ini
 
 %changelog
-* Tue Tue 02 2021 tanyulong <tanyulong@kylinos.cn> - 3.0.1-9
+* Fri Nov 05 2021 tanyulong <tanyulong@kylinos.cn> - 3.0.1-10
+- there is only one user, the switch user button is not displayed
+
+* Tue Nov 02 2021 tanyulong <tanyulong@kylinos.cn> - 3.0.1-9
 - Screen saver add x11bypasswindowmanager attribute
 
 * Mon Nov 1  2021 tanyulong <tanyulong@kylinos.cn> - 3.0.1-8