diff --git a/sysmaster.spec b/sysmaster.spec
index 93df6ec..2237a27 100644
--- a/sysmaster.spec
+++ b/sysmaster.spec
@@ -16,7 +16,7 @@
 
 Name:           sysmaster 
 Version:        0.5.1
-Release:        1
+Release:        2
 Summary:        redesign and reimplement process1.
 
 License:        Mulan PSL v2
@@ -78,6 +78,7 @@ install -Dm0640 -t %{unit_install_target} %{unit_install_source}/*
 install -Dm0640 -t %{buildroot}/etc/sysmaster %{conf_install_source}/system.conf
 
 install -Dm0750 -t %{buildroot}/usr/bin %{devmaster_install_source}/devctl
+install -Dm0550 -t %{devmaster_install_target} tools/run_with_devmaster/simulate_udev.sh
 install -Dm0640 -t %{devmaster_conf_install_target} %{devmaster_conf_install_source}/config.toml
 install -Dm0640 -t %{devmaster_conf_install_target}/rules.d %{devmaster_conf_install_source}/rules.d/*
 install -Dm0640 -t %{devmaster_conf_install_target}/network.d %{devmaster_conf_install_source}/network.d/*
@@ -102,6 +103,13 @@ for unit in udevd.service udev-trigger.service; do
     fi
 done
 
+for unit in devmaster.service devctl-trigger.service; do
+    install -Dm0640 -t %{unit_install_target} tools/run_with_devmaster/service/$unit
+    if [[ "$unit" == *".service" ]]; then
+        ln -s /usr/lib/sysmaster/system/$unit %{buildroot}/etc/sysmaster/system/sysinit.target.wants/$unit
+    fi
+done
+
 install -Dm0640 -t %{unit_install_target} tools/run_with_devmaster/service/*.service
 install -Dm0640 -t %{unit_install_target} tools/run_with_vm/getty.target
 ln -s /usr/lib/sysmaster/system//getty.target %{buildroot}/etc/sysmaster/system/multi-user.target.wants/getty.target
@@ -142,6 +150,8 @@ ln -s /usr/lib/sysmaster/system/sshd.service %{buildroot}/etc/sysmaster/system/m
 %exclude /usr/lib/sysmaster/system/devctl-trigger.service
 %exclude /usr/lib/sysmaster/system/devmaster-simu-udev.service
 %exclude /usr/lib/sysmaster/system/devmaster.service
+%exclude /etc/sysmaster/system/sysinit.target.wants/devmaster.service
+%exclude /etc/sysmaster/system/sysinit.target.wants/devctl-trigger.service
 
 %files -n devmaster
 %dir %attr(0550,-,-) /usr/lib/devmaster
@@ -156,16 +166,22 @@ ln -s /usr/lib/sysmaster/system/sshd.service %{buildroot}/etc/sysmaster/system/m
 /usr/lib/sysmaster/system/devctl-trigger.service
 /usr/lib/sysmaster/system/devmaster-simu-udev.service
 /usr/lib/sysmaster/system/devmaster.service
+/usr/lib/devmaster/simulate_udev.sh
+/etc/sysmaster/system/sysinit.target.wants/devmaster.service
+/etc/sysmaster/system/sysinit.target.wants/devctl-trigger.service
 
 %post -n devmaster
-ln -sf /usr/lib/sysmaster/system/devmaster.service /etc/sysmaster/system/sysinit.target.wants/udevd.service
-ln -sf /usr/lib/sysmaster/system/devctl-trigger.service /etc/sysmaster/system/multi-user.target.wants/udev-trigger.service
+test -f /etc/sysmaster/system/sysinit.target.wants/udevd.service && unlink /etc/sysmaster/system/sysinit.target.wants/udevd.service
+test -f /etc/sysmaster/system/sysinit.target.wants/udev-trigger.service && unlink /etc/sysmaster/system/sysinit.target.wants/udev-trigger.service
 
 %postun -n devmaster
-test -f /usr/lib/sysmaster/system/udevd.service && ln -sf /usr/lib/sysmaster/system/udevd.service /etc/sysmaster/system/sysinit.target.wants/udevd.service
-test -f /usr/lib/sysmaster/system/udev-trigger.service && ln -sf /usr/lib/sysmaster/system/udev-trigger.service /etc/sysmaster/system/multi-user.target.wants/udev-trigger.service
+test -f /usr/lib/sysmaster/system/udevd.service && ln -s /usr/lib/sysmaster/system/udevd.service /etc/sysmaster/system/sysinit.target.wants/udevd.service
+test -f /usr/lib/sysmaster/system/udev-trigger.service && ln -s /usr/lib/sysmaster/system/udev-trigger.service /etc/sysmaster/system/sysinit.target.wants/udev-trigger.service
 
 %changelog
+* Mon Oct 30 2023 zhangyao<zhangyao108@huawei.com> - 0.5.1-2
+- add simulate_udev.sh file
+
 * Mon Oct 30 2023 zhangyao<zhangyao108@huawei.com> - 0.5.1-1
 - upgrade version to 0.5.1