diff --git a/libnet-1.1.6.tar.gz b/libnet-1.1.6.tar.gz
new file mode 100644
index 0000000..5ce5ab9
Binary files /dev/null and b/libnet-1.1.6.tar.gz differ
diff --git a/libnet-1.2.tar.gz b/libnet-1.2.tar.gz
deleted file mode 100644
index 4b5075b..0000000
Binary files a/libnet-1.2.tar.gz and /dev/null differ
diff --git a/libnet.spec b/libnet.spec
index 9f253a2..267bb50 100644
--- a/libnet.spec
+++ b/libnet.spec
@@ -1,10 +1,10 @@
 Name:           libnet
-Version:        1.2
-Release:        1
+Version:        1.1.6
+Release:        17
 Summary:        A C library to help with construction and handling of network packets
 License:        BSD
-URL:            https://github.com/libnet/libnet/
-Source:         https://github.com/libnet/libnet/releases/download/v%{version}/%{name}-%{version}.tar.gz
+URL:            http://www.sourceforge.net/projects/libnet-dev/
+Source:         http://downloads.sourceforge.net/libnet-dev/%{name}-%{version}.tar.gz
 BuildRequires:  automake autoconf libtool
 
 %description
@@ -18,6 +18,13 @@ Requires:       %{name}%{?_isa} = %{version}-%{release}
 %description    devel
 This package contains libraries and header files.
 
+%package        help
+Summary:        help files are included in this package
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+
+%description    help
+This package contains help documents.
+
 %prep
 %autosetup -p1
 autoreconf -if
@@ -48,22 +55,21 @@ rm -f doc/html/Makefile*
 %postun -p /sbin/ldconfig
 
 %files
-%doc doc/LICENSE
-%doc doc/README.md
-%doc doc/ChangeLog.md
+%doc doc/COPYING
 %{_libdir}/%{name}.so.*
 
 %files devel
 %doc __dist_sample/sample/
 %{_libdir}/%{name}.so
-%{_libdir}/pkgconfig/%{name}.pc
 %{_bindir}/%{name}-config
 %{_includedir}/%{name}/
 %{_includedir}/libnet.h
 
-%changelog
-* Fri Jul 24 2020 fengtao <fengtao40@huawei.com> - 1.2-1
-- update version to 1.2
+%files help
+%doc README doc/CHANGELOG doc/CONTRIB doc/DESIGN_NOTES doc/MIGRATION
+%doc doc/PACKET_BUILDING doc/RAWSOCKET_NON_SEQUITUR doc/TODO doc/html/
+%{_mandir}/man3/%{name}*.3*
 
+%changelog
 * Tue  Sep 17 2019 Yiru Wang <wangyiru1@huawei.com> - 1.1.6-17
 - Pakcage init