diff --git a/soundtouch.spec b/soundtouch.spec
index 1324e67f3bd92ad725e9fac7bfc543cd1b7a9343..6a79e45cc9f883f72ac7b43595309fa950c58c37 100644
--- a/soundtouch.spec
+++ b/soundtouch.spec
@@ -1,4 +1,4 @@
-%define anolis_release 1
+%define anolis_release 2
 
 Name:		soundtouch	
 Version:	2.3.1
@@ -23,6 +23,14 @@ The SoundTouch library source kit includes an example utility
 SoundStretch which allows processing .wav audio files from a
 command-line interface.
 
+%package doc
+Summary:        Documentation files for %{name}
+Requires:       %{name} = %{version}-%{release}
+BuildArch:      noarch
+
+%description    doc
+The %{name}-doc package contains documentation files for %{name}.
+
 %package 	devel
 Summary:  	Libraries, includes, etc to develop soundtouch applications
 Requires: 	%{name} = %{version}-%{release}
@@ -46,10 +54,12 @@ ln -s soundtouch.pc %{buildroot}%{_libdir}/pkgconfig/soundtouch-1.0.pc
 
 %files
 %license COPYING.TXT
-%doc README.html
 %{_bindir}/soundstretch
 %{_libdir}/lib*.so.*
 
+%files doc
+%doc README.html
+
 %files  	devel
 %{_libdir}/lib*.so
 %{_libdir}/pkgconfig/*.pc
@@ -57,5 +67,8 @@ ln -s soundtouch.pc %{buildroot}%{_libdir}/pkgconfig/soundtouch-1.0.pc
 %{_libdir}/cmake/SoundTouch
 
 %changelog
+* Thu Sep 29 2022 mgb01105731 <mgb01105731@alibaba-inc.com> - 2.3.1-2
+- add doc package
+
 * Mon Apr 18 2022 happy_orange <songnannan@linux.alibaba.com> - 2.3.1-1
 - Init package from upstream