chore(README): add community discord invite link

README.md

@@ -508,7 +508,7 @@ We welcome contributions from developers, researchers, and AI coding agents at a
 
 ⚗️ Join the EvoScientist community to discuss AI-driven research, share experiment results, and help shape the future of automated scientific discovery.
 
-- [Discord](https://discord.gg/???) — Ask questions, share findings, and collaborate with researchers and developers in real-time.
+- [Discord](https://discord.gg/AZ9ZMXkunY) — Ask questions, share findings, and collaborate with researchers and developers in real-time.
 - [WeChat](https://github.com/EvoScientist/EvoScientist/blob/main/.github/assets/cn_info.md) — Connect with our Chinese-speaking research community.
 
 Every contribution brings us one step closer to a future where AI accelerates scientific breakthroughs for all of humanity.
@@ -543,4 +543,3 @@ If you find our paper and code useful in your research and applications, please
 This project is licensed under the Apache License 2.0 - see the [LICENSE](./LICENSE) file for details.
 
 <p align="right"><a href="#top">🔝Back to top</a></p>
-

README.zh-CN.md

@@ -517,7 +517,7 @@ Jan Piotrowski, Wiktor Cupiał, Jakub Kaliski, Jakub Filipiuk, Xinhao Yi, Shuyu
 
 ⚗️ 加入 EvoScientist 社区，探讨 AI 驱动的科研前沿，分享实验成果，共同推动自动化科学发现的未来。
 
-- [Discord](https://discord.gg/???) — 实时提问、分享发现，与研究者和开发者协作交流。
+- [Discord](https://discord.gg/AZ9ZMXkunY) — 实时提问、分享发现，与研究者和开发者协作交流。
 - [微信](https://github.com/EvoScientist/EvoScientist/blob/main/.github/assets/cn_info.md) — 加入中文社区，与国内研究者和开发者交流。
 
 每一份贡献，都让我们离 AI 驱动科学突破、造福全人类的未来更近一步。
@@ -552,10 +552,3 @@ Jan Piotrowski, Wiktor Cupiał, Jakub Kaliski, Jakub Filipiuk, Xinhao Yi, Shuyu
 本项目基于 Apache License 2.0 开源——详情请见 [LICENSE](./LICENSE) 文件。
 
 <p align="right"><a href="#top">🔝回到顶部</a></p>
-
-<!-- ---
-
-<p align="center">
-  Created and maintained by <a href="https://github.com/x-izhang"><b>Xi Zhang</b></a>, built with the open-source community.
-</p> -->
-