diff --git a/web/assets/js/model/setting.js b/web/assets/js/model/setting.js
index 55fbf635..befc4b1d 100644
--- a/web/assets/js/model/setting.js
+++ b/web/assets/js/model/setting.js
@@ -22,7 +22,7 @@ class AllSetting {
         this.tgBotBackup = false;
         this.tgBotLoginNotify = true;
         this.tgCpu = 80;
-        this.tgLang = "en-US";
+        this.tgLang = "zh-CN";
         this.twoFactorEnable = false;
         this.twoFactorToken = "";
         this.xrayTemplateConfig = "";
@@ -58,4 +58,4 @@ class AllSetting {
     equals(other) {
         return ObjectUtil.equals(this, other);
     }
-}
\ No newline at end of file
+}