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app/Http/Controllers/Controller.php

@@ -22,7 +22,7 @@ class Controller extends BaseController
     /**
      * @apiDefine lang
      * @apiParam (公共参数) {String} [lang=en] 语言
-     * - 允许值：`zh-CN`，`en`
+     * - 允许值：`zh`，`en`
      */
 
     /**

app/Http/Controllers/api/BaseController.php

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

config/app.php

@@ -98,8 +98,8 @@ return [
     */
 
 //    'locale' => 'en',
-//    'locale' => 'zh-CN',
-    'locale' => isset($_REQUEST['lang']) && $_REQUEST['lang'] == 'en' ? 'en' : 'zh-CN',
+//    'locale' => 'zh',
+    'locale' => isset($_REQUEST['lang']) && $_REQUEST['lang'] == 'en' ? 'en' : 'zh',
 
     /*
     |--------------------------------------------------------------------------