diff --git a/main.go b/main.go
index 0be6676..7322eab 100644
--- a/main.go
+++ b/main.go
@@ -103,6 +103,7 @@ func StartNode(replicaID uint64, exampleShardID uint64, addr string) *dragonboat
 	if err != nil {
 		panic(err)
 	}
+
 	if err := nh.StartReplica(initialMembers, false, NewSMQueue, rc); err != nil {
 		fmt.Fprintf(os.Stderr, "failed to add cluster, %v\n", err)
 		os.Exit(1)