diff --git a/backend/i18n/i18n.go b/backend/i18n/i18n.go
index cad6f7d92..c102e2fcd 100644
--- a/backend/i18n/i18n.go
+++ b/backend/i18n/i18n.go
@@ -99,11 +99,15 @@ func Init() {
 	_, _ = bundle.LoadMessageFileFS(fs, "lang/en.yaml")
 	_, _ = bundle.LoadMessageFileFS(fs, "lang/zh-Hant.yaml")
 	_, _ = bundle.LoadMessageFileFS(fs, "lang/fa.yaml")
+	_, _ = bundle.LoadMessageFileFS(fs, "lang/pt.yaml")
 }
 
 func UseI18nForCmd(lang string) {
 	if lang == "" {
-		lang = "zh"
+		lang = "en"
+	}
+	if lang == "pt-BR" {
+		lang = "pt"
 	}
 	if bundle == nil {
 		Init()
diff --git a/cmd/server/cmd/root.go b/cmd/server/cmd/root.go
index 4fe640874..34be4020c 100644
--- a/cmd/server/cmd/root.go
+++ b/cmd/server/cmd/root.go
@@ -16,7 +16,7 @@ import (
 var language string
 
 func init() {
-	RootCmd.PersistentFlags().StringVarP(&language, "language", "l", "zh", "Set the language (default is 'zh')")
+	RootCmd.PersistentFlags().StringVarP(&language, "language", "l", "en", "Set the language")
 }
 
 var RootCmd = &cobra.Command{