diff --git a/chain/node.go b/chain/node.go
index ab216a0..fa4c84b 100644
--- a/chain/node.go
+++ b/chain/node.go
@@ -1,6 +1,7 @@
 package chain
 
 import (
+	"github.com/go-gost/core/auth"
 	"github.com/go-gost/core/bypass"
 	"github.com/go-gost/core/hosts"
 	"github.com/go-gost/core/metadata"
@@ -28,6 +29,7 @@ type NodeOptions struct {
 	Protocol   string
 	HTTP       *HTTPNodeSettings
 	TLS        *TLSNodeSettings
+	Auther     auth.Authenticator
 }
 
 type NodeOption func(*NodeOptions)
@@ -86,6 +88,12 @@ func TLSNodeOption(tlsSettings *TLSNodeSettings) NodeOption {
 	}
 }
 
+func AutherNodeOption(auther auth.Authenticator) NodeOption {
+	return func(o *NodeOptions) {
+		o.Auther = auther
+	}
+}
+
 type Node struct {
 	Name    string
 	Addr    string