diff --git a/which.spec b/which.spec
index 2a3e19b1505af4df904dbd0d601ccc1fc9d1ff0a..9e6072c01f6abeb15db1b7ec1c854526af25eec4 100644
--- a/which.spec
+++ b/which.spec
@@ -1,6 +1,7 @@
+%define anolis_release 2
 Name:           which
 Version:        2.21
-Release:        1%{?dist}
+Release:        %{anolis_release}%{?dist}
 Summary:        Displays where a particular program in your path is located 
 
 License:        GPLv3
@@ -15,6 +16,14 @@ BuildRequires:  make gcc readline-devel
 The which command shows the full pathname of a specified program, if
 the specified program is in your PATH.
 
+%package doc
+Summary:        Documentation files for %{name}
+Requires:       %{name} = %{version}-%{release}
+BuildArch:      noarch
+
+%description    doc
+The %{name}-doc package contains documentation files for %{name}.
+
 %prep
 %autosetup
 
@@ -34,13 +43,17 @@ rm -f $RPM_BUILD_ROOT%{_infodir}/dir
 
 %files
 %license COPYING
-%doc EXAMPLES README AUTHORS NEWS
 %attr(0644,root,root) %{_sysconfdir}/profile.d/which2.*
 %{_bindir}/which
 %{_infodir}/which.info*
 %{_mandir}/man1/which.1*
 
+%files doc
+%doc EXAMPLES README AUTHORS NEWS
 
 %changelog
+* Sat Oct 08 2022 mgb01105731 <mgb01105731@alibaba-inc.com> - 2.21-2
+- add doc package
+
 * Thu Mar 10 2022 forrest_ly <flin@linux.alibaba.com> - 2.21-1
 - Init for Anolis OS 23