gx

@@ -152,8 +152,11 @@ class LoginController extends BaseController
         ],[
             'str.required' => '翻译字符串不能为空',
         ]);
-        $str = Translate::tran($this->param['str'], 'en');
-        $this->response('success',Code::SUCCESS,strtolower($str));
+        $str = Translate::tran($this->param['str'], 'en') ?? '';
+        if(!empty($str)){
+            $str = strtolower($str);
+        }
+        $this->response('success',Code::SUCCESS,$str);
     }
 
     /**