change reference link

Author: rwifeng

src/Qiniu/Processing/PersistentFop.php

@@ -48,9 +48,7 @@ public function __construct($auth, $bucket, $pipeline = null, $notify_url = null
      * @param $key     待处理的源文件
      * @param $fops    处理详细操作，规格详见 http://developer.qiniu.com/docs/v6/api/reference/fop/
      *
-     * @return array[] 返回持久化处理的persistentId，类似{"persistentId": 5476bedf7823de4068253bae}
-     *
-     * @link  http://developer.qiniu.com/docs/v6/api/reference/rs/list.html
+     * @return array[] 返回持久化处理的persistentId, 和返回的错误。
      */
     public function execute($key, array $fops)
     {

src/Qiniu/Storage/BucketManager.php

@@ -239,7 +239,7 @@ public function prefetch($bucket, $key)
      *                   { "code" => <HttpCode int>, "data" => { "error": "<ErrorMessage string>" } },
      *                   ...
      *               ]
-     * @link  http://developer.qiniu.com/docs/v6/api/reference/rs/prefetch.html
+     * @link http://developer.qiniu.com/docs/v6/api/reference/rs/batch.html 
      */
     public function batch($operations)
     {