diff --git a/byaccj.spec b/byaccj.spec
index 891f5070ff624d2a2c271a5ce1fc79389b781f94..13b2632d0615adfb0f5be1c98360617766fd9c88 100644
--- a/byaccj.spec
+++ b/byaccj.spec
@@ -1,6 +1,6 @@
 Name:		byaccj
 Version:	1.15
-Release:	20
+Release:	21
 Summary:	BYACC/J Java extension
 License:	Public Domain
 URL:		http://byaccj.sourceforge.net/
@@ -18,11 +18,7 @@ This is the standard YACC tool that is in use every day to produce C/C++ parsers
 I have added a "-J" flag which will cause BYACC to generate Java source code, instead.
 So there finally is a YACC for Java now! 
 
-%package	help
-Summary:	Help document for the byaacj package
-
-%description	help
-Help document for the byaacj package
+%package_help
 
 %prep
 %autosetup -n %{name}%{version} -p1
@@ -44,6 +40,9 @@ install -p -m 755 src/yacc %{buildroot}%{_bindir}/%{name}
 %doc docs/* src/README
 
 %changelog
+* Mon Aug 19 2024 Pan Zhang <zhangpan@cqsoftware.com.cn> - 1.15-21
+- Replaced  declaration of help subpackage with the 'package_help' macro.
+
 * Mon May 31 2021 baizhonggui <baizhonggui@huawei.com> - 1.15-20
 - Fix building error: cc: No such file or directory
 - Add gcc in BuildRequires