diff --git a/iavf.spec b/iavf.spec
index a3a8c36758f6fdd5eaeae5dc7d1e1d65fcf67f60..384b8a2933b189d6c6c0a57ebe63208aa737d54a 100644
--- a/iavf.spec
+++ b/iavf.spec
@@ -9,15 +9,15 @@
 Name: iavf
 Summary: Intel(R) Ethernet Adaptive Virtual Function Driver
 Version: 4.0.1
-Release: 1
+Release: 2
 Vendor: Intel Corporation
 License: GPL-2.0
 URL: http://support.intel.com
 Source0: https://downloadcenter.intel.com/download/24693/Intel-Network-Adapter-Virtual-Function-Driver-for-Intel-40-Gigabit-Ethernet-Network-Connections/%{name}-%{version}.tar.gz
 
-Requires: kernel, findutils, gawk, bash
+Requires: kernel, findutils, gawk, bash, hwdata
 
-BuildRequires: kernel-devel
+BuildRequires: kernel-devel, hwdata
 
 %description
 This package contains the Intel(R) Ethernet Adaptive Virtual Function Driver.
@@ -382,5 +382,11 @@ else
 fi
 
 %changelog
+* Mon Nov 19 2021 gaihuiying <gaihuiying11@huawei.com> - 4.0.1-2
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:fix install post error
+
 * Tue Feb 2 2021 chxssg <chxssg@qq.com> - 4.0.1-1
 - Package init