diff --git a/libndp.spec b/libndp.spec
index 7b44ec7b3e251c9002e916dcebba6a6ebb7faf00..d9c1674cc315cf39bc01ca5a6a6078398a0c361c 100644
--- a/libndp.spec
+++ b/libndp.spec
@@ -1,6 +1,7 @@
+%define anolis_release .0.1
 Name: libndp
 Version: 1.7
-Release: 6%{?dist}
+Release: 6%{anolis_release}%{?dist}
 Summary: Library for Neighbor Discovery Protocol
 Group: System Environment/Libraries
 License: LGPLv2+
@@ -29,6 +30,14 @@ Requires: libndp = %{version}-%{release}
 The libndp-devel package contains the header files and libraries
 necessary for developing programs using libndp.
 
+%package doc
+Summary: Documents for %{name}
+BuildArch: noarch
+Requires: %{name} = %{?epoch:%{epoch}:}%{version}-%{release}
+
+%description doc
+Doc pages for %{name}.
+
 %prep
 %setup -q
 %patch1 -p1 -b .ndptool_add_T_target_support
@@ -52,7 +61,6 @@ find $RPM_BUILD_ROOT -name \*.la -delete
 %postun -p /sbin/ldconfig
 
 %files
-%doc COPYING
 %{_libdir}/*so.*
 %{_bindir}/ndptool
 %{_mandir}/man8/ndptool.8*
@@ -62,7 +70,13 @@ find $RPM_BUILD_ROOT -name \*.la -delete
 %{_libdir}/*.so
 %{_libdir}/pkgconfig/*.pc
 
+%files doc
+%doc COPYING
+
 %changelog
+* Wed Jul 20 2022 Bo Ren <rb01097748@alibaba-inc.com> - 1.7-6.0.1
+- Add doc sub package
+
 * Mon Apr 26 2021 Hangbin Liu <haliu@redhat.com> - 1.7-6
 - Bump the version number due to conflict with (rhbz 1937721)