diff --git a/ucloud-init.start b/ucloud-init.start
index 0e654b8..a59eaf4 100755
--- a/ucloud-init.start
+++ b/ucloud-init.start
@@ -89,8 +89,7 @@ else
 	exit 1
 fi
 
-
-service rdnssd enable
+rc-update add rdnssd
 service rdnssd start
 
 setup_ssh