diff --git a/ovn.spec b/ovn.spec
index 357da562de127f226b9b1c7c3feeddb1e8121fd7..ba56b10d547b01bdbd8bd5005a27da1479fc3a12 100644
--- a/ovn.spec
+++ b/ovn.spec
@@ -4,7 +4,7 @@
 
 Name:       ovn
 Version:    %{ovn_version}
-Release:    1
+Release:    2
 Summary:    Open Virtual Network support
 URL:        https://www.ovn.org/
 Source0:    https://github.com/ovn-org/ovn/archive/refs/tags/v%{ovn_version}.tar.gz#/ovn-%{version}.tar.gz
@@ -167,39 +167,45 @@ fi
 %pre central
 if [ $1 -eq 1 ] ; then
     # Package install.
-    /bin/systemctl status ovn-northd.service >/dev/null
-    ovn_status=$?
-    if [[ "$ovn_status" = "0" ]]; then
-        # ovn-northd service is running which means old openvswitch-ovn-central
-        # is possibly installed and it will be cleaned up. So start ovn-northd
-        # service when posttrans central is called.
-        touch %{_localstatedir}/lib/rpm-state/ovn-northd
+    if [ -e %{_unitdir}/ovn-northd.service ]; then
+        /bin/systemctl status ovn-northd.service >/dev/null
+        ovn_status=$?
+        if [[ "$ovn_status" = "0" ]]; then
+            # ovn-northd service is running which means old openvswitch-ovn-central
+            # is possibly installed and it will be cleaned up. So start ovn-northd
+            # service when posttrans central is called.
+            touch %{_localstatedir}/lib/rpm-state/ovn-northd
+        fi
     fi
 fi
 
 %pre host
 if [ $1 -eq 1 ] ; then
     # Package install.
-    /bin/systemctl status ovn-controller.service >/dev/null
-    ovn_status=$?
-    if [[ "$ovn_status" = "0" ]]; then
-        # ovn-controller service is running which means old
-        # openvswitch-ovn-host is possibly installed and it will be cleaned up. So
-        # start ovn-controller service when posttrans host is called.
-        touch %{_localstatedir}/lib/rpm-state/ovn-controller
+    if [ -e %{_unitdir}/ovn-controller.service ]; then
+        /bin/systemctl status ovn-controller.service >/dev/null
+        ovn_status=$?
+        if [[ "$ovn_status" = "0" ]]; then
+            # ovn-controller service is running which means old
+            # openvswitch-ovn-host is possibly installed and it will be cleaned up. So
+            # start ovn-controller service when posttrans host is called.
+            touch %{_localstatedir}/lib/rpm-state/ovn-controller
+        fi
     fi
 fi
 
 %pre vtep
 if [ $1 -eq 1 ] ; then
     # Package install.
-    /bin/systemctl status ovn-controller-vtep.service >/dev/null
-    ovn_status=$?
-    if [[ "$ovn_status" = "0" ]]; then
-        # ovn-controller-vtep service is running which means old
-        # openvswitch-ovn-vtep is possibly installed and it will be cleaned up. So
-        # start ovn-controller-vtep service when posttrans host is called.
-        touch %{_localstatedir}/lib/rpm-state/ovn-controller-vtep
+    if [ -e %{_unitdir}/ovn-vtep.service ]; then
+        /bin/systemctl status ovn-controller-vtep.service >/dev/null
+        ovn_status=$?
+        if [[ "$ovn_status" = "0" ]]; then
+            # ovn-controller-vtep service is running which means old
+            # openvswitch-ovn-vtep is possibly installed and it will be cleaned up. So
+            # start ovn-controller-vtep service when posttrans host is called.
+            touch %{_localstatedir}/lib/rpm-state/ovn-controller-vtep
+        fi
     fi
 fi
 
@@ -316,6 +322,9 @@ fi
 %{_unitdir}/ovn-controller-vtep.service
 
 %changelog
+* Wed May 31 2023 Han Guangyu <hanguangyu@uniontech.com> - 20.06.3-2
+- Fix redundant message during package installation
+
 * Tue Nov 29 2022 Han Guangyu <hanguangyu@uniontech.com> - 20.06.3-1
 - Init package