diff --git a/man-pages.spec b/man-pages.spec
index 987e709a777bb5c68176f1acc0bea4eac04c48c1..8b2a2bf5d6f9acf9c87628194a0b1e99ca622ad8 100644
--- a/man-pages.spec
+++ b/man-pages.spec
@@ -1,6 +1,6 @@
 Name:           man-pages
 Version:        5.13
-Release:        2
+Release:        3
 Summary:        Linux kernel and user-space C library interfaces documentation
 License:        GPL+ and GPLv2+ and BSD and MIT and Copyright only and IEEE
 URL:            http://www.kernel.org/doc/man-pages/
@@ -23,6 +23,7 @@ other C libraries available for Linux is also included.
 
 %prep
 %autosetup -p1
+sed -i 's/prefix := \/usr\/local/prefix := \/usr/g' Makefile
 
 %build
 
@@ -44,9 +45,17 @@ make install DESTDIR=%{buildroot}
 %doc README man-pages-%{version}.Announce Changes
 
 %files help
-/usr/local/share/man*/*
+%{_mandir}/man*/*
+%exclude %{_mandir}/man3/crypt_r.3.gz
+%exclude %{_mandir}/man3/crypt.3.gz
+%exclude %{_mandir}/man7/bpf-helpers.7.gz
+%exclude %{_mandir}/man3/MAX.3.gz
+%exclude %{_mandir}/man3/MIN.3.gz
 
 %changelog
+* Thu Nov 10 2022 renhongxun <renhongxun@h-partners.com> - 5.13-3
+- exclude some redundant pages from help
+
 * Tue Mar 15 2022 renhongxun <renhongxun@h-partners.com> - 5.13-2
 - split help pkg from main pkg