diff --git a/libnet.spec b/libnet.spec
index 25bcafe..686fa20 100644
--- a/libnet.spec
+++ b/libnet.spec
@@ -5,7 +5,7 @@ Summary:        A C library to help with construction and handling of network pa
 License:        BSD
 URL:            https://github.com/libnet/libnet/
 Source:         https://github.com/libnet/libnet/releases/download/v%{version}/%{name}-%{version}.tar.gz
-BuildRequires:  automake autoconf libtool doxygen
+BuildRequires:  automake autoconf libtool doxygen graphviz
 
 %description
 Libbet provides a fairly portable framework for network packet
@@ -66,15 +66,14 @@ rm -f doc/html/Makefile*
 %{_includedir}/libnet.h
 
 %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/
-#%doc doc/html/
+%doc README.md ChangeLog.md doc/MIGRATION.md doc/RAWSOCKET.md
+%doc doc/html/
 %doc %{_docdir}/*
 %{_mandir}/man3/%{name}*.3*
 
 %changelog
 * Wed Jul 29 2020 Shinwell Hu <micromotive@qq.com> - 1.2-1
-- libnet requires doxygen to build document
+- libnet requires doxygen and graphviz to build document
 
 * Tue Jun 02 2020 SimpleUpdate Robot <tc@openeuler.org> - 1.2-0
 - Update to version 1.2