diff --git a/nss-altfiles.spec b/nss-altfiles.spec
index 905b458241fc06bd161e91e0da0ce6cd865e0a9a..424b3549b18b177a7bb1f159bab175b69090f357 100644
--- a/nss-altfiles.spec
+++ b/nss-altfiles.spec
@@ -1,10 +1,12 @@
+%define anolis_release .0.1
+
 %global commit 89f3f0b390f3bbc58d8964b11a517173ed4eed78
 %global shortcommit %(c=%{commit}; echo ${c:0:7})
 
 Summary: NSS module to look up users in /usr/lib/passwd too
 Name: nss-altfiles
 Version: 2.18.1
-Release: 12%{?dist}
+Release: 12%{anolis_release}%{?dist}
 #VCS: https://github.com/aperezdc/nss-altfiles
 Source0: https://github.com/aperezdc/nss-altfiles/archive/v%{version}.tar.gz
 # From pull request: https://github.com/marineam/nss-altfiles/commit/dda5073238b88b4537f2d2707b0ef67bdd11fe06
@@ -20,6 +22,14 @@ BuildRequires: glibc-devel
 When installed, this package allows looking up users
 in %{prefix}/lib/passwd, similarly, groups in %{prefix}/lib/group.
 
+%package doc
+Summary:   Documents for %{name}
+Requires:  %{name} = %{?epoch:%{epoch}:}%{version}-%{release}
+BuildArch: noarch
+
+%description doc
+Doc pages for %{name}.
+
 %prep
 %autosetup
 
@@ -31,14 +41,19 @@ make %{?_smp_mflags}
 make install DESTDIR=$RPM_BUILD_ROOT
 
 %files
-%doc README.md
 %{_libdir}/*.so.*
 
 %post -p /sbin/ldconfig
 
 %postun -p /sbin/ldconfig
 
+%files doc
+%doc README.md
+
 %changelog
+* Wed Jul 20 2022 DengXiewei <dengxiewei@linux.alibaba.com> - 2.18.1-12.0.1
+- Add doc sub package
+
 * Tue Apr 02 2019 Colin Walters <walters@redhat.com> - 2.18.1-12
 - Add system LDFLAGS
 - Resolves: rhbz#1630609