diff --git a/bin/csctl/cmd/node.go b/bin/csctl/cmd/node.go
index 6d00c9b..5f34199 100644
--- a/bin/csctl/cmd/node.go
+++ b/bin/csctl/cmd/node.go
@@ -30,6 +30,7 @@ var NodeCmd = &cobra.Command{
 
 Available Commands:
   rmold:	remove old version(< 0.3.0) node info from mongodb and etcd
+  sync:		sync node info to mongodb
 `,
 	Run: func(cmd *cobra.Command, args []string) {
 		ea := NewExitAction()
diff --git a/csctl.go b/csctl.go
index 599cb07..55f62fb 100644
--- a/csctl.go
+++ b/csctl.go
@@ -12,6 +12,7 @@ import (
 const (
 	NodeCmdUnknown NodeCmd = iota
 	NodeCmdRmOld
+	NodeCmdSync
 	NodeCmdMax
 )
 
@@ -21,6 +22,7 @@ var (
 	NodeCmds = []string{
 		"unknown",
 		"rmold",
+		"sync",
 	}
 )
 
diff --git a/node.go b/node.go
index 2916e5a..64e63bc 100644
--- a/node.go
+++ b/node.go
@@ -142,14 +142,16 @@ func WatchNode() client.WatchChan {
 // On 结点实例启动后，在 mongoDB 中记录存活信息
 func (n *Node) On() {
 	n.Alived, n.Version, n.UpTime = true, Version, time.Now()
-	if err := mgoDB.Upsert(Coll_Node, bson.M{"_id": n.ID}, n); err != nil {
-		log.Errorf(err.Error())
-	}
+	n.SyncToMgo()
 }
 
 // On 结点实例停用后，在 mongoDB 中去掉存活信息
 func (n *Node) Down() {
 	n.Alived, n.DownTime = false, time.Now()
+	n.SyncToMgo()
+}
+
+func (n *Node) SyncToMgo() {
 	if err := mgoDB.Upsert(Coll_Node, bson.M{"_id": n.ID}, n); err != nil {
 		log.Errorf(err.Error())
 	}
diff --git a/node/csctl.go b/node/csctl.go
index 31b8594..22eedd7 100644
--- a/node/csctl.go
+++ b/node/csctl.go
@@ -23,6 +23,8 @@ func (n *Node) executCsctlCmd(key, value []byte) error {
 	switch cmd.Cmd {
 	case cronsun.NodeCmdRmOld:
 		n.Node.RmOldInfo()
+	case cronsun.NodeCmdSync:
+		n.Node.SyncToMgo()
 	}
 
 	log.Infof("%s execute csctl command[%s] success", n.String(), cmd.Cmd.String())