commit 7e00023de8a9506ec9180e7621cc4797ebd2a4d4
Author: hugh <hugh@fanruan.com>
Date:   Tue Jun 22 18:31:50 2021 +0800

    Initial commit

diff --git a/README.md b/README.md
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+# demo-attachment-downloader
+
+附件下载接口扩展demo实例
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