diff --git a/config/config.go b/config/config.go
index fd1a4116..a1ddde81 100644
--- a/config/config.go
+++ b/config/config.go
@@ -461,6 +461,7 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 			GeoIp:   "https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geoip.dat",
 			GeoSite: "https://fastly.jsdelivr.net/gh/MetaCubeX/meta-rules-dat@release/geosite.dat",
 		},
+		ExternalUIURL: "https://github.com/MetaCubeX/metacubexd/archive/refs/heads/gh-pages.zip",
 	}
 
 	if err := yaml.Unmarshal(buf, rawCfg); err != nil {
diff --git a/config/update_ui.go b/config/update_ui.go
index 3526836e..27e0f382 100644
--- a/config/update_ui.go
+++ b/config/update_ui.go
@@ -21,7 +21,7 @@ var (
 	ExternalUIName   string
 )
 var (
-	ErrImcompleteConf = errors.New("ExternalUI configure incomplete")
+	ErrIncompleteConf = errors.New("ExternalUI configure incomplete")
 )
 var xdMutex sync.Mutex
 
@@ -66,7 +66,7 @@ func UpdateUI() error {
 
 func prepare() error {
 	if ExternalUIPath == "" || ExternalUIURL == "" {
-		return ErrImcompleteConf
+		return ErrIncompleteConf
 	}
 
 	if ExternalUIName != "" {
diff --git a/hub/route/upgrade.go b/hub/route/upgrade.go
index 28acb23a..7b486ee3 100644
--- a/hub/route/upgrade.go
+++ b/hub/route/upgrade.go
@@ -50,7 +50,7 @@ func upgradeCore(w http.ResponseWriter, r *http.Request) {
 func updateUI(w http.ResponseWriter, r *http.Request) {
 	err := config.UpdateUI()
 	if err != nil {
-		if errors.Is(err, config.ErrImcompleteConf) {
+		if errors.Is(err, config.ErrIncompleteConf) {
 			log.Warnln("%s", err)
 			render.Status(r, http.StatusNotImplemented)
 			render.JSON(w, r, newError(fmt.Sprintf("%s", err)))