diff --git a/xCAT-server/lib/xcat/plugins/pdu.pm b/xCAT-server/lib/xcat/plugins/pdu.pm
index f62121089..d2a94ca3f 100644
--- a/xCAT-server/lib/xcat/plugins/pdu.pm
+++ b/xCAT-server/lib/xcat/plugins/pdu.pm
@@ -1406,6 +1406,7 @@ sub netcfg_for_irpdu {
         $login_ip = $discover_ip;
     } else {
         xCAT::SvrUtils::sendmsg(" is not reachable", $callback,$pdu);
+        return;
     }
     
     foreach my $cmd (@exargs) {