diff --git a/app/api/controller/LoginController.php b/app/api/controller/LoginController.php
index c83925bf2..9c598d473 100755
--- a/app/api/controller/LoginController.php
+++ b/app/api/controller/LoginController.php
@@ -25,7 +25,6 @@ use Firebase\JWT\JWT;
 use Firebase\JWT\Key;
 use think\facade\{Db, Config};
 use app\common\service\FileService;
-use function Symfony\Component\String\s;
 
 /**
  * 登录注册