diff --git a/app/api/service/UserService.php b/app/api/service/UserService.php
index 9f8e836..094ea87 100644
--- a/app/api/service/UserService.php
+++ b/app/api/service/UserService.php
@@ -3,6 +3,11 @@ declare (strict_types=1);
 namespace app\api\service;
 
 use app\api\model\User;
+use Lcobucci\JWT\Parser;
+use Lcobucci\JWT\Builder;
+use Lcobucci\JWT\Signer\Hmac\Sha256;
+use Lcobucci\JWT\Signer\Key\InMemory;
+use Lcobucci\JWT\Token;
 /**
  * 用户表
  */