diff --git a/libteam.spec b/libteam.spec
index 08c9a2969a7ff8b92e173babe7cf3bfc53732cab..563f9b22d7568a292824e3da572eeea95d15c9f3 100644
--- a/libteam.spec
+++ b/libteam.spec
@@ -1,6 +1,6 @@
 Name: 		libteam
 Version: 	1.31
-Release: 	3
+Release: 	4
 Summary: 	User-space counterpart library for team network
 License: 	LGPLv2+
 URL: 		http://www.libteam.org
@@ -42,6 +42,7 @@ Summary: Document of %{name}
 Requires:   %{name} = %{version}-%{release}
 Provides:   %{name}-doc = %{version}-%{release}
 Obsoletes:  %{name}-doc < %{version}-%{release}
+Buildarch:  noarch
 
 %description help
 This package contains the document of %{name}
@@ -116,6 +117,9 @@ install -p -m 755 utils/bond2team $RPM_BUILD_ROOT%{_bindir}/bond2team
 %{_mandir}/man8/teamnl.8*
 
 %changelog
+* Tue Aug 20 2024 dongzhenshu <dongzhenshu@cqsoftware.com.cn> - 1.31-4
+- Add 'Buildarch: noarch' to the help subpackage
+
 * Thu Sep 21 2023 zhangruifang <zhangruifang1@h-partners.com> - 1.31-3
 - fix an issue about teamd is using 100% cpu usage (of 1 core)