diff --git a/cmd/extend.go b/cmd/extend.go
index 8410ae71f7e08ae63d2a88fe7231fb7b8640c340..035e4ac03beb88152546e497d2cc205fb595c0b9 100755
--- a/cmd/extend.go
+++ b/cmd/extend.go
@@ -116,7 +116,9 @@ func extendCluster(conf *asset.ClusterAsset, num uint) error {
 		}
 	}
 
-	httpService.AddFileToCache(constants.WorkerIgn, data)
+	if len(conf.Kubernetes.RpmPackagePath) > 0 {
+		httpService.PackageDir = conf.Kubernetes.RpmPackagePath
+	}
 
 	p := infra.InfraPlatform{}
 	switch strings.ToLower(conf.Platform) {