commit 917c5cfaf7536b93b0d302030215ab9eec8e502a
Author: 卢文朋 <luwenpeng@zdjizhi.com>
Date:   Tue Aug 31 09:38:25 2021 +0000

    Update README.md

diff --git a/README.md b/README.md
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+签发证书用于各组件间加密通信