diff --git a/app/api/service/UserService.php b/app/api/service/UserService.php
index 348dbd1..9f8e836 100644
--- a/app/api/service/UserService.php
+++ b/app/api/service/UserService.php
@@ -87,12 +87,5 @@ class UserService {
         ->withClaim('user_id', $userId) // 自定义声明
         ->getToken($config->signer(), $config->signingKey());   // 签名
         return $token->toString();
-        // 生成一个不会重复的随机字符串
-        // $guid = \get_guid_v4();
-        // // 当前时间戳 (精确到毫秒)
-        // $timeStamp = \microtime(true);
-        // // 自定义一个盐
-        // $salt = makeSalt(12);
-        // return md5("{$timeStamp}_{$userId}_{$guid}_{$salt}");
     }
 }
\ No newline at end of file