diff --git a/README.md b/README.md
index 0520fd32628fdb5adc1c45a7eb5e2b8d3aef0389..d9e411290378534f42eb05bdd9e839bbc7455a3e 100644
--- a/README.md
+++ b/README.md
@@ -175,6 +175,23 @@ The collaboration is efficient, very professional. The software is steady with h
参考部署[开源社区版本文档](https://docs.chatopera.com/products/cskefu/deploy.html)。
+## 鸣谢
+
+[FreeSWITCH 中国社区](http://www.freeswitch.org.cn/)
+
+## 开源许可协议
+
+Copyright (2018-2020) 北京华夏春松科技有限公司
+
+[Apache License Version 2.0](https://gitee.com/chatopera/cosin/blob/master/LICENSE)
+
+[![chatoper banner][co-banner-image]][co-url]
+
+[co-banner-image]: https://static-public.chatopera.com/assets/images/42383104-da925942-8168-11e8-8195-868d5fcec170.png
+[co-url]: https://www.chatopera.com
+
+
+
## Chatopera 云服务
[https://bot.chatopera.com/](https://bot.chatopera.com/)
@@ -242,18 +259,3 @@ Chatopera 机器人平台包括知识库、多轮对话、意图识别和语音