diff --git a/common/config.go b/common/config.go
index 373f396..1085cb1 100644
--- a/common/config.go
+++ b/common/config.go
@@ -1,6 +1,7 @@
 package common
 
 type Config struct {
-	SecretKey string
-	NetworkID string
+	SecretKey      string
+	NetworkID      string
+	BootstrapNodes string
 }
diff --git a/common/discovery_dht.go b/common/discovery_dht.go
index d988b56..c8d088f 100644
--- a/common/discovery_dht.go
+++ b/common/discovery_dht.go
@@ -45,6 +45,9 @@ func (d *DiscoveryDHT) Run() error {
 	}
 	config := dht.NewConfig()
 	config.Port = d.localNode.State().ListenPort
+	if d.localNode.config.BootstrapNodes != "" {
+		config.DHTRouters = d.localNode.config.BootstrapNodes
+	}
 	d.node, err = dht.New(config)
 	if err != nil {
 		return fmt.Errorf("new dht init err: %s", err)
diff --git a/main.go b/main.go
index f53632f..10768b2 100644
--- a/main.go
+++ b/main.go
@@ -47,6 +47,13 @@ func main() {
 			Aliases: []string{"j"},
 			Usage:   "join network",
 			Action:  actionJoin,
+			Flags: []cli.Flag{
+				cli.StringFlag{
+					Name:  "bootstrap",
+					Value: "",
+					Usage: "Define bootstrap nodes for DHT",
+				},
+			},
 		},
 		{
 			Name:      "ip",
@@ -104,7 +111,8 @@ func actionJoin(ctx *cli.Context) {
 	}
 
 	nodeConfig := &common.Config{
-		SecretKey: key,
+		SecretKey:      key,
+		BootstrapNodes: ctx.String("bootstrap"),
 	}
 	node, err := common.NewLocalNode(nodeConfig)
 	if err != nil {