diff --git a/webrtc-audio-processing.spec b/webrtc-audio-processing.spec
index e6ad2755314c7eae74da19046abd5560cabec4cf..f2aa2d2ba28b294ac62ce642d95017dcd41e8256 100644
--- a/webrtc-audio-processing.spec
+++ b/webrtc-audio-processing.spec
@@ -1,4 +1,4 @@
-%define anolis_release 1
+%define anolis_release 2
 Name:           webrtc-audio-processing
 Version:        0.3.1
 Release:        %{anolis_release}%{?dist}
@@ -17,6 +17,14 @@ BuildRequires: gcc gcc-c++
 provides echo cancellation functionality. This library is used by for example
 PulseAudio to provide echo cancellation.
 
+%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:        Development files for %{name}
 Requires:       %{name} = %{version}-%{release}
@@ -51,10 +59,12 @@ find %{buildroot} -type f -name "*.la" -delete
 %ldconfig_scriptlets
 
 %files
-%doc NEWS AUTHORS README.md
 %license COPYING
 %{_libdir}/libwebrtc_audio_processing.so.1*
 
+%files doc
+%doc NEWS AUTHORS README.md
+
 %files devel
 %{_libdir}/libwebrtc_audio_processing.so
 %{_libdir}/pkgconfig/webrtc-audio-processing.pc
@@ -62,5 +72,8 @@ find %{buildroot} -type f -name "*.la" -delete
 
 
 %changelog
+* Sun Oct 09 2022 mgb01105731 <mgb01105731@alibaba-inc.com> - 0.3.1-2
+- add doc package
+
 * Thu Apr 14 2022 Chunmei Xu <xuchunmei@linux.alibaba.com> - 0.3.1-1
 - init from upstream