diff --git a/kvdo.spec b/kvdo.spec
index 093830cc4ab6488e1d780bc8ec66a46856fe0030..7e9ab1c65e1d1c91d33d34c2f7c6813db0a41524 100644
--- a/kvdo.spec
+++ b/kvdo.spec
@@ -1,5 +1,5 @@
 #This spec is obtained from source code(kvdo-6.2.2.24.tar.gz)
-%define spec_release 3
+%define spec_release 4
 %define kmod_name		kmod-kvdo
 %define kmod_driver_version	8.1.0.316
 %define kmod_rpm_release	%{spec_release}
@@ -20,6 +20,7 @@ BuildRoot:	%(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
 Requires:       dkms
 Requires:	kernel-devel >= %{kmod_kernel_version}
 Requires:       make elfutils-devel
+Requires(post): systemd-udev
 ExclusiveArch:	x86_64
 ExclusiveArch:  aarch64
 ExclusiveArch:  ppc64le
@@ -86,6 +87,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_usr}/src/%{kmod_name}-%{version}-%{kmod_rpm_release}/*
 
 %changelog
+* Tue Oct 21 2025 yujingbo <yujingbo@kylinos.cn> - 8.1.0.316-4
+- Modify spec file for %post error
+
 * Wed May 21 2025 fengxueyan <fengxy@teligen.net> - 8.1.0.316-3
 - Fix Error in POSTlN scriptlet in rpmpackage kmod-kvdo