diff --git a/netperf.spec b/netperf.spec
index 03988dec8a49667bdc17581efdab169d40f3b26b..7d03d1f1492f9cf2447ec23921ba05a4039eee4d 100644
--- a/netperf.spec
+++ b/netperf.spec
@@ -2,18 +2,16 @@
 
 Name: netperf 
 Version: 2.7.0
-Release: 2%{?dist}
+Release: 3
 Summary: A Performance benchmark testing tool fro TCP/UDP
 License: HP no-commercial 
 URL: http://github.com/HewlettPackard/netperf
 Source0: https://github.com/HewlettPackard/netperf/archive/%{name}-%{_version}.tar.gz
 
-BuildRequires:texinfo,texinfo-tex 
+BuildRequires:texinfo texinfo-tex 
 
 %description
 netperf is a collection of  many different network performance benchmarking tools
-Requires: %{name}%{?_isa} = %{version}-%{release}
-
 
 %package_help
 
@@ -34,14 +32,10 @@ Requires: %{name}%{?_isa} = %{version}-%{release}
 %{__rm} -rf %{buildroot}
 
 %post
-/sbin/install-info %{_infodir}/${infofile} %{_infodir}/dir || :
 
 %pre
 
 %preun
-if [ $1 -eq 0 ];then
-	/sbin/install-info --delete %{_infodir}/${infofile} %{_infodir}/dir || :
-fi
 
 %files
 %defattr(-,root,root,0755)
@@ -56,8 +50,11 @@ fi
 %{_mandir}/man1/*
 
 %changelog
-* Tue Apr 8 2020 hushiyuan <hushiyuan@huawie.com> - 2.7.0.-2
+* Sat Sep 26 2020 hushiyuan <hushiyuan@huawei.com> - 2.7.0-3
+* Delete install-info in post and preun
+
+* Wed Apr 8 2020 hushiyuan <hushiyuan@huawie.com> - 2.7.0.-2
 - Update package description for some spelling mistake
 
-* Tue Mar 13 2020 hushiyuan <hushiyuan@huawei.com> - 2.7.0-1
+* Fri Mar 13 2020 hushiyuan <hushiyuan@huawei.com> - 2.7.0-1
 - Package init