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app/Http/Controllers/api/BaseController.php

@@ -13,11 +13,11 @@ class BaseController extends Controller
 {
     use AuthorizesRequests, DispatchesJobs, ValidatesRequests;
 
-    protected $lang = 'vi';
+    protected $lang = 'zh-CN';
 
     public function __construct()
     {
-        $lang = request()->input('lang', 'vi');
+        $lang = request()->input('lang', 'zh-CN');
         App::setLocale($lang);
         $this->lang = $lang;
     }