diff --git a/database/model/model.go b/database/model/model.go
index ecda4038..ff37d6ed 100644
--- a/database/model/model.go
+++ b/database/model/model.go
@@ -12,7 +12,7 @@ type Protocol string
 const (
 	VMESS       Protocol = "vmess"
 	VLESS       Protocol = "vless"
-	DOKODEMO    Protocol = "dokodemo-door"
+	Tunnel      Protocol = "tunnel"
 	HTTP        Protocol = "http"
 	Trojan      Protocol = "trojan"
 	Shadowsocks Protocol = "shadowsocks"