gx

@@ -153,10 +153,10 @@ class LoginController extends BaseController
             'str.required' => '翻译字符串不能为空',
         ]);
         $str = Translate::tran($this->param['str'], 'en') ?? '';
-        if(!empty($str)){
-            $str = strtolower($str[0]);
+        if(is_array($str)){
+            $str = $str[0];
         }
-        $this->response('success',Code::SUCCESS,$str);
+        $this->response('success',Code::SUCCESS,strtolower($str));
     }
 
     /**