diff --git a/perl-bignum.spec b/perl-bignum.spec
index d5e2ae52aee9115a04ac93f3138e3cbff88b13fa..c085af569564e3a60973e2a09f138e941a778edc 100644
--- a/perl-bignum.spec
+++ b/perl-bignum.spec
@@ -1,6 +1,8 @@
+%define anolis_release .0.1
+
 Name:           perl-bignum
 Version:        0.49
-Release:        2%{?dist}
+Release:        2%{anolis_release}%{?dist}
 Summary:        Transparent big number support for Perl
 License:        GPL+ or Artistic
 URL:            http://search.cpan.org/dist/bignum/
@@ -42,6 +44,14 @@ Conflicts:      perl < 4:5.22.0-348
 This package attempts to make it easier to write scripts that use BigInts and
 BigFloats in a transparent way.
 
+%package doc
+Summary:   Documents for %{name}
+Requires:  %{name} = %{?epoch:%{epoch}:}%{version}-%{release}
+BuildArch: noarch
+
+%description doc
+Doc pages for %{name}.
+
 %prep
 %setup -q -n bignum-%{version}
 
@@ -58,11 +68,16 @@ make test
 
 %files
 %license LICENSE
-%doc BUGS CHANGES README TODO
 %{perl_vendorlib}/*
 %{_mandir}/man3/*
 
+%files doc
+%doc BUGS CHANGES README TODO
+
 %changelog
+* Tue Jul 19 2022 Liwei Ge <liwei.glw@alibaba-inc.com> - 0.49-2.0.1
+- Add doc sub package
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0.49-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild