diff --git a/xfce4-taskmanager-1.2.3.tar.bz2 b/xfce4-taskmanager-1.2.3.tar.bz2
new file mode 100644
index 0000000..7f612ec
Binary files /dev/null and b/xfce4-taskmanager-1.2.3.tar.bz2 differ
diff --git a/xfce4-taskmanager.spec b/xfce4-taskmanager.spec
index 7aa4384..07eb830 100644
--- a/xfce4-taskmanager.spec
+++ b/xfce4-taskmanager.spec
@@ -1,14 +1,13 @@
-%global majorversion 1.5
-
 Name:           xfce4-taskmanager
-Version:        1.5.2
+Version:        1.2.3
 Release:        1
 Summary:        Taskmanager for the Xfce desktop environment
 License:        GPLv2+
+#Group:          Development/Libraries
 URL:            http://goodies.xfce.org/projects/applications/%{name}
-Source0:        http://archive.xfce.org/src/apps/%{name}/%{majorversion}/%{name}-%{version}.tar.bz2
-
+Source0:        http://archive.xfce.org/src/apps/%{name}/1.2/%{name}-%{version}.tar.bz2
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+#BuildArch:      noarch
 BuildRequires:  gcc-c++
 BuildRequires:  libxfce4ui-devel
 BuildRequires:  libXmu-devel
@@ -48,17 +47,13 @@ desktop-file-install \
 
 %files -f %{name}.lang
 %license COPYING
-%doc AUTHORS ChangeLog NEWS THANKS
+%doc AUTHORS ChangeLog NEWS README THANKS
 %{_bindir}/%{name}
 %{_datadir}/applications/*%{name}.desktop
 %{_datadir}/icons/hicolor/16x16/actions/xc_crosshair.png
 %{_datadir}/icons/hicolor/24x24/actions/xc_crosshair.png
 %{_datadir}/icons/hicolor/scalable/actions/xc_crosshair.svg
-%{_datadir}/icons/hicolor/*/apps/org.xfce.taskmanager.*
 
 %changelog
-* Fri Jun 18 2021 zhanglin <lin.zhang@turbolinux.com.cn> - 1.5.2-1
-- Update to 1.5.2
-
 * Fri Jul 17 2020 Dillon Chen <dillon.chen@turbolinux.com.cn> - 1.2.3-1
 - Init package