diff --git a/libasyncns.spec b/libasyncns.spec
index 181bc482a33157f372acfb1d69da4747cae33988..b347a3f69f83bccfed47fbc275926025eeb52764 100644
--- a/libasyncns.spec
+++ b/libasyncns.spec
@@ -1,6 +1,7 @@
+%define anolis_release .0.1
 Name: libasyncns
 Version: 0.8
-Release: 14%{?dist}
+Release: 14%{anolis_release}%{?dist}
 Summary: Asynchronous Name Service Library
 Group: System Environment/Libraries
 Source0: http://0pointer.de/lennart/projects/libasyncns/libasyncns-%{version}.tar.gz
@@ -8,10 +9,21 @@ License: LGPLv2+
 Url: http://0pointer.de/lennart/projects/libasyncns/
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
+Requires: glibc
+
 %description
 A small and lightweight library that implements easy to use asynchronous
 wrappers around the libc NSS functions getaddrinfo(), res_query() and related.
 
+%package doc
+Summary: Documents for %{name}
+BuildArch: noarch
+Requires: %{name} = %{version}-%{release}
+
+
+%description  doc
+Doc pages for %{name}.
+
 %package devel
 Summary: Development Files for libasyncns Client Development
 Group: Development/Libraries
@@ -42,9 +54,11 @@ rm -rf $RPM_BUILD_ROOT
 
 %files
 %defattr(-,root,root)
-%doc README LICENSE
 %{_libdir}/libasyncns.so.*
 
+%files doc
+%doc README LICENSE
+
 %files devel
 %defattr(-,root,root)
 %{_includedir}/asyncns.h
@@ -52,6 +66,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/pkgconfig/libasyncns.pc
 
 %changelog
+* Mon Jul 17 2022 mgb01105731 <mgb01105731@alibaba-inc.com> - 0.8-14.0.1
+- Add doc sub package
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.8-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild