diff --git a/AliPay/Transfer.php b/AliPay/Transfer.php
index 86d0fd7..ae80a08 100644
--- a/AliPay/Transfer.php
+++ b/AliPay/Transfer.php
@@ -28,7 +28,7 @@ class Transfer extends BasicAliPay
     /**
      * 旧版 向指定支付宝账户转账
      * @param array $options
-     * @return mixed
+     * @return array|bool
      * @throws \WeChat\Exceptions\InvalidResponseException
      * @throws \WeChat\Exceptions\LocalCacheException
      */
diff --git a/WeChat/Card.php b/WeChat/Card.php
index 0399ba8..3ba388e 100644
--- a/WeChat/Card.php
+++ b/WeChat/Card.php
@@ -668,5 +668,5 @@ class Card extends BasicWeChat
         $this->registerApi($url, __FUNCTION__, func_get_args());
         return $this->httpPostForJson($url, $data);
     }
-    
+
 }
\ No newline at end of file
diff --git a/MIT-LICENSE.txt b/license
similarity index 95%
rename from MIT-LICENSE.txt
rename to license
index bceed53..73c22aa 100644
--- a/MIT-LICENSE.txt
+++ b/license
@@ -1,6 +1,6 @@
 The MIT License
  
-Copyright (c) 2014-2018 Anyon<zoujingli@qq.com>
+Copyright (c) 2014-2022 Anyon<zoujingli@qq.com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal