diff --git a/weed/command/scaffold.go b/weed/command/scaffold.go
index 800bc6029..dd12f12a2 100644
--- a/weed/command/scaffold.go
+++ b/weed/command/scaffold.go
@@ -391,7 +391,7 @@ default = "localhost:8888"    # used by maintenance scripts if the scripts needs
 
 
 [master.sequencer]
-type = "memory"     # Choose [memory|etcd] type for storing the file id sequence
+type = "raft"     # Choose [raft|etcd] type for storing the file id sequence
 # when sequencer.type = etcd, set listen client urls of etcd cluster that store file id sequence
 # example : http://127.0.0.1:2379,http://127.0.0.1:2389
 sequencer_etcd_urls = "http://127.0.0.1:2379"