diff --git a/dbus-broker.spec b/dbus-broker.spec
index bb5d997..16bb538 100644
--- a/dbus-broker.spec
+++ b/dbus-broker.spec
@@ -1,73 +1,73 @@
-Name:     dbus-broker
-Version:  28
-Release:  1
-Summary:  Linux D-Bus Message Broker
-License:  Apache License 2.0
-URL:      https://github.com/bus1/dbus-broker
-Source0:  https://github.com/bus1/dbus-broker/releases/download/v%{version}/%{name}-%{version}.tar.xz
-
-BuildRequires:  cmake gcc glibc-devel meson python-docutils dbus
-BuildRequires:  pkgconfig(expat) pkgconfig(libsystemd) pkgconfig(libselinux)
-BuildRequires:  pkgconfig(systemd) pkgconfig(audit) pkgconfig(libcap-ng)
-
-%description
-dbus-broker is an implementation of a message bus as defined by the D-Bus specification.
-Its aim is to provide high performance and reliability, while keeping compatibility to
-the D-Bus reference implementation. It is exclusively written for Linux systems, and
-makes use of many modern features provided by recent linux kernel releases.
-
-%prep
-%autosetup -n %{name}-%{version} -p1
-
-%build
-CONFIGURE_OPTS=(
-    -Daudit=true
-    -Dselinux=true
-    -Ddocs=true
-    -Dsystem-console-users=gdm
-    -Dlinux-4-17=true
-)
-%meson "${CONFIGURE_OPTS[@]}"
-%meson_build
-
-%install
-%meson_install
-
-%check
-make check
-
-%pre
-# Add the "dbus" user and group
-getent group dbus > /dev/null || groupadd -f -g 81 -r dbus
-if ! getent passwd dbus > /dev/null ; then
-    if ! getent passwd 81 > /dev/null ; then
-        useradd -r -u 81 -c 'D-Bus' -g dbus -s /sbin/nologin -d %{_localstatedir}/run/dbus dbus
-    else
-        useradd -r -g dbus -c 'D-Bus' -s /sbin/nologin -d %{_localstatedir}/run/dbus dbus
-    fi
-fi
-
-%preun
-%systemd_preun dbus-broker.service dbus.socket
-%systemd_user_preun dbus-broker.service dbus.socket
-
-%post
-%systemd_post dbus-broker.service dbus.socket
-%systemd_user_post dbus-broker.service dbus.socket
-
-%postun
-%systemd_postun dbus-broker.service dbus.socket
-%systemd_user_postun dbus-broker.service dbus.socket
-
-%files
-%license AUTHORS
-%license LICENSE
-%{_bindir}/dbus-broker*
-%{_journalcatalogdir}/dbus-broker*.catalog
-%{_mandir}/man1/dbus-broker*.1*
-%{_unitdir}/dbus-broker.service
-%{_userunitdir}/dbus-broker.service
-
-%changelog
-* Thu Aug 05 2021 openEuler BuildTeam <buildteam@openeuler.org> - 28.1
-- Package Init.
+Name:     dbus-broker
+Version:  28
+Release:  1
+Summary:  Linux D-Bus Message Broker
+License:  Apache License 2.0
+URL:      https://github.com/bus1/dbus-broker
+Source0:  https://github.com/bus1/dbus-broker/releases/download/v%{version}/%{name}-%{version}.tar.xz
+
+BuildRequires:  cmake gcc glibc-devel meson python-docutils dbus
+BuildRequires:  pkgconfig(expat) pkgconfig(libsystemd) pkgconfig(libselinux)
+BuildRequires:  pkgconfig(systemd) pkgconfig(audit) pkgconfig(libcap-ng)
+
+%description
+dbus-broker is an implementation of a message bus as defined by the D-Bus specification.
+Its aim is to provide high performance and reliability, while keeping compatibility to
+the D-Bus reference implementation. It is exclusively written for Linux systems, and
+makes use of many modern features provided by recent linux kernel releases.
+
+%prep
+%autosetup -n %{name}-%{version} -p1
+
+%build
+CONFIGURE_OPTS=(
+    -Daudit=true
+    -Dselinux=true
+    -Ddocs=true
+    -Dsystem-console-users=gdm
+    -Dlinux-4-17=true
+)
+%meson "${CONFIGURE_OPTS[@]}"
+%meson_build
+
+%install
+%meson_install
+
+%check
+make check
+
+%pre
+# Add the "dbus" user and group
+getent group dbus > /dev/null || groupadd -f -g 81 -r dbus
+if ! getent passwd dbus > /dev/null ; then
+    if ! getent passwd 81 > /dev/null ; then
+        useradd -r -u 81 -c 'D-Bus' -g dbus -s /sbin/nologin -d %{_localstatedir}/run/dbus dbus
+    else
+        useradd -r -g dbus -c 'D-Bus' -s /sbin/nologin -d %{_localstatedir}/run/dbus dbus
+    fi
+fi
+
+%preun
+%systemd_preun dbus-broker.service dbus.socket
+%systemd_user_preun dbus-broker.service dbus.socket
+
+%post
+%systemd_post dbus-broker.service dbus.socket
+%systemd_user_post dbus-broker.service dbus.socket
+
+%postun
+%systemd_postun dbus-broker.service dbus.socket
+%systemd_user_postun dbus-broker.service dbus.socket
+
+%files
+%license AUTHORS
+%license LICENSE
+%{_bindir}/dbus-broker*
+%{_journalcatalogdir}/dbus-broker*.catalog
+%{_mandir}/man1/dbus-broker*.1*
+%{_unitdir}/dbus-broker.service
+%{_userunitdir}/dbus-broker.service
+
+%changelog
+* Thu Aug 05 2021 openEuler BuildTeam <buildteam@openeuler.org> - 28.1
+- Package Init.