diff --git a/libqb.spec b/libqb.spec
index caf70a98feacb1393a5e7c4a3f92c5dec5d1ba9f..6352066887311bc6001ef8329cd719844d99671e 100644
--- a/libqb.spec
+++ b/libqb.spec
@@ -1,6 +1,6 @@
 Name:                libqb
 Version:             2.0.8
-Release:             5
+Release:             6
 Summary:             Library providing high performance logging, tracing, ipc, and poll
 License:             LGPLv2+
 URL:                 https://github.com/ClusterLabs/libqb
@@ -46,6 +46,8 @@ developing applications that use %{name}.
 %package        help
 Summary:        help documents for libqb package
 Buildarch:      noarch
+Requires:       %{name} = %{version}-%{release}
+Obsoletes:      %{name}-help < %{version}
 %description    help
 help documents for libqb package
 
@@ -60,14 +62,12 @@ This package contains a program to create nicely-formatted man pages from Doxyge
 %license COPYING
 %{_sbindir}/qb-blackbox
 %{_libdir}/libqb.so.*
-%{_mandir}/man8/qb-blackbox.8*
 
 %files          devel
 %doc README.markdown
 %{_includedir}/qb/
 %{_libdir}/libqb.so
 %{_libdir}/pkgconfig/libqb.pc
-%{_mandir}/man3/qb*3*
 
 %files          help
 %{_mandir}/man8/qb-blackbox.8*
@@ -78,6 +78,9 @@ This package contains a program to create nicely-formatted man pages from Doxyge
 %{_mandir}/man1/doxygen2man.1.gz
 
 %changelog
+* Mon Oct 27 2025 litenglong <litenglong@kylinos.cn> - 2.0.8-6
+- Fix file conflicts among the help package, main package, and devel package by deleting the duplicated content during upgrades.
+
 * Fri Aug 15 2025 zouzhimin <zouzhimin@kylinos.cn> - 2.0.8-5
 - Check returns from setsockopt() calls, also fix doxygen comment for qb_util_timespec_from_epoch_get()