diff --git a/kmod-kvdo.spec b/kmod-kvdo.spec
index e96cc23811cd17ef854e39b8a9b13410cdc80921..6e914b73b93e07803b2f9c09e3cf906fb651d76d 100644
--- a/kmod-kvdo.spec
+++ b/kmod-kvdo.spec
@@ -1,5 +1,5 @@
 #This spec is obtained from source code(kvdo-6.2.2.24.tar.gz)
-%define spec_release 7
+%define spec_release 8
 %define kmod_name		kmod-kvdo
 %define kmod_driver_version	8.2.1.2
 %define kmod_rpm_release	%{spec_release}
@@ -24,6 +24,7 @@ BuildRoot:	%(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
 Requires:       dkms
 Requires:	kernel-devel >= %{kmod_kernel_version}
 Requires:       make
+Requires(post): systemd-udev
 ExclusiveArch:	x86_64 aarch64 loongarch64 riscv64 ppc64le
 ExcludeArch:	s390 s390x ppc ppc64 i686
 
@@ -85,6 +86,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_usr}/src/%{kmod_name}-%{version}-%{kmod_rpm_release}/*
 
 %changelog
+* Tue Oct 21 2025 yujingbo <yujingbo@kylinos.cn> - 8.2.1.2-8
+- Modify spec file for %post error
+
 * Tue Aug 12 2025 wangkai <13474090681@163.com> - 8.2.1.2-7
 - Remove missing BUILD_DEPENDS for kernel