diff --git a/phodav.spec b/phodav.spec
index db65c71..d9caaf3 100644
--- a/phodav.spec
+++ b/phodav.spec
@@ -1,48 +1,57 @@
-Name:           phodav
-Version:        2.2
-Release:        5
-Summary:        A WebDAV server using libsoup
-License:        LGPLv2+
-URL:            https://wiki.gnome.org/phodav
-Source0:        http://download.gnome.org/sources/%{name}/%{version}/%{name}-%{version}.tar.xz
-BuildRequires:  systemd-devel systemd-units libsoup-devel avahi-gobject-devel
-BuildRequires:  intltool asciidoc xmlto avahi-gobject
-
-Provides:       chezdav = %{version}-%{release} spice-webdavd = %{version}-%{release}
-Provides:       libphodav = %{version}-%{release} libphodav-2.0 = 0:%{version}-%{release}
-Provides:       libphodav2 = 0:%{version}-%{release}
-Obsoletes:      chezdav < %{version}-%{release} spice-webdavd < %{version}-%{release}
-Obsoletes:      libphodav-2.0 <= 0:2.0-3 libphodav2 <= 0:2.0-4 libphodav-1.0 <= 0:0.4-6
-Obsoletes:      libphodav < 0:%{version}-%{release}
-
-Requires(post): systemd-units
-Requires(preun): systemd-units
-Requires(postun): systemd-units
+Name:             phodav
+Version:          2.2
+Release:          6
+Summary:          A WebDav server implementation using libsoup
+License:          LGPLv2+
+URL:              https://wiki.gnome.org/phodav
+Source0:          http://download.gnome.org/sources/%{name}/%{version}/%{name}-%{version}.tar.xz
+BuildRequires:    systemd-devel systemd-units libsoup-devel avahi-gobject-devel
+BuildRequires:    intltool asciidoc xmlto avahi-gobject
 
 %description
-phodav is a WebDAV server implementation using libsoup (RFC 4918). This package provides
-the library,chezdav and spice-webdavd.
-The chezdav is  a simple WebDAV server program, contains a simple tool to share a directory
-with WebDAV. The service is announced over mDNS for clients to discover.
-The spice-webdavd is a daemon for the DAV channel, contains a daemon to proxy WebDAV request
-to the Spice virtio channel.
+A WebDAV server implementation using libsoup (RFC 4918).
 
-%package        devel
-Summary:        Development files for libphodav
-Requires:       phodav = %{version}-%{release}
-Provides:       libphodav-2.0-devel = 0:%{version}-%{release} libphodav-devel = %{version}-%{release}
-Provides:       libphodav2-devel = 0:%{version}-%{release}
-Obsoletes:      libphodav-2.0-devel <= 0:2.0-3 libphodav2-devel <= 0:2.0-4
-Obsoletes:      libphodav-1.0-devel <= 0:0.4-6 libphodav-devel < 0:%{version}-%{release}
+%package -n       libphodav
+Summary:          A library to serve files with WebDAV
+Provides:         libphodav-2.0 = 0:%{version}-%{release} libphodav2 = 0:%{version}-%{release}
+Obsoletes:        libphodav-2.0 <= 0:2.0-3 libphodav2 <= 0:2.0-4 libphodav-1.0 <= 0:0.4-6
 
-%description    devel
-The libphodav-devel package provides the header files for phodav development library.
+%description -n   libphodav
+This package provides the library of WebDAV server.
 
-%package        help
-Summary:        Help documentation for phodav
+%package -n       libphodav-devel
+Summary:          Development files for libphodav
+Requires:         libphodav = %{version}-%{release}
+Provides:         libphodav-2.0-devel = 0:%{version}-%{release} libphodav2-devel = 0:%{version}-%{release}
+Obsoletes:        libphodav-2.0-devel <= 0:2.0-3 libphodav2-devel <= 0:2.0-4 libphodav-1.0-devel <= 0:0.4-6
 
-%description    help
-Help documentation for phodav.
+%description -n   libphodav-devel
+The libphodav-devel package includes the header files for libphodav.
+
+%package -n       chezdav
+Summary:          A tool allows to share a particular directory
+
+%description -n   chezdav
+The chezdav package contains a simple tool allows to share a
+particular directory (with optional digest authentication).
+The service is announced over mDNS for clients to discover.
+
+%package -n       chezdav-help
+Summary:          Help documentation for the chezdav-help
+
+%description -n   chezdav-help
+Help documentation for the chezdav-help
+
+%package -n       spice-webdavd
+Summary:          Spice daemon for the DAV channel
+
+Requires(post):   systemd-units
+Requires(preun):  systemd-units
+Requires(postun): systemd-units
+
+%description -n spice-webdavd
+The spice-webdavd package contains a daemon to proxy WebDAV request to
+the Spice virtio channel.
 
 %prep
 %autosetup -p1
@@ -53,44 +62,54 @@ Help documentation for phodav.
 
 %install
 %make_install
-
 %delete_la_and_a
 
 %find_lang phodav-2.0 --with-gnome
 
-%post
+%post -n libphodav
 /sbin/ldconfig
+
+%postun -n libphodav
+/sbin/ldconfig
+
+%post -n spice-webdavd
 %systemd_post spice-webdavd.service
 
-%postun
-/sbin/ldconfig
-%systemd_postun_with_restart spice-webdavd.service
-
-%preun
+%preun -n spice-webdavd
 %systemd_preun spice-webdavd.service
 
+%postun -n spice-webdavd
+%systemd_postun_with_restart spice-webdavd.service
 
-%files -f phodav-2.0.lang
+%files -n libphodav -f phodav-2.0.lang
 %doc COPYING
-%{_bindir}/chezdav
-%{_sbindir}/spice-webdavd
-%{_unitdir}/spice-webdavd.service
 %{_libdir}/libphodav-2.0.so.0*
-/usr/lib/udev/rules.d/70-spice-webdavd.rules
 
-%files -n phodav-devel
+%files -n libphodav-devel
 %dir %{_includedir}/libphodav-2.0/
 %{_includedir}/libphodav-2.0/*
 %{_libdir}/libphodav-2.0.so
-%{_libdir}/pkgconfig/libphodav-2.0.pc
+%{_libdir}/pkgconfig/*
 %{_datadir}/gtk-doc/html/phodav-2.0/*
 
-%files help
+%files -n chezdav
+%{_bindir}/chezdav
+
+%files -n chezdav-help
 %{_mandir}/man1/chezdav.1*
 
+%files -n spice-webdavd
+%doc COPYING
+%{_sbindir}/spice-webdavd
+/usr/lib/udev/rules.d/70-spice-webdavd.rules
+%{_unitdir}/spice-webdavd.service
+
 %changelog
+* Fri Feb 28 2020 likexin <likexin4@huawei.com> - 2.2-6
+- Optimize spec files
+
 * Fri Feb 28 2020 likexin <likexin4@huawei.com> - 2.2-5
 - add BuildRequires avahi-gobject
-
+ 
 * Fri Dec 13 2019 wanjiankang <wanjiankang@huawei.com> - 2.2-4
 - Initial packaging.