docs: enhance README files with issue submission links and add official Dingding chat group

Author: lxchtan

README.md

@@ -273,7 +273,6 @@ This project is based on the following excellent open-source projects:
 
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-
 ## Citation
 
 If you find this model useful, please cite our paper:
@@ -315,9 +314,12 @@ For license details, see the [LICENSE](LICENSE) file.
 
 If you have any questions or suggestions, please contact us through:
 
-- 🐛 Submit an Issue
+- 🐛 Submit an [Issue](https://github.com/FunAudioLLM/Fun-Audio-Chat/issues)
 - 💡 Submit a Pull Request
 - 📧 Send an Email
+- 💬 Join official Dingding chat group
+
+<img src="assets/dingding.png" width="250px">
 
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README_zh.md

@@ -314,9 +314,12 @@ Fun-Audio-Chat 是由阿里云开发的用于自然语音交互的大型音频
 
 如有任何问题或建议，请通过以下方式联系我们：
 
-- 🐛 提交 Issue
+- 🐛 提交 [Issue](https://github.com/FunAudioLLM/Fun-Audio-Chat/issues)
 - 💡 提交 Pull Request
 - 📧 发送邮件
+- 💬 加入官方钉钉交流群
+
+<img src="assets/dingding.png" width="250px">
 
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