fix bad dingtalk link

README.md

@@ -34,7 +34,7 @@ We provide a [playground](http://8.138.149.181/) with a managed JupyterLab. [Try
 [Platform for AI of Alibaba Cloud (PAI)](https://www.aliyun.com/product/bigdata/learn) has cited our work and integrated Data-Juicer into its data processing products. PAI is an AI Native large model and AIGC engineering platform that provides dataset management, computing power management, model tool chain, model development, model training, model deployment, and AI asset management. For documentation on data processing, please refer to: [PAI-Data Processing for Large Models](https://help.aliyun.com/zh/pai/user-guide/components-related-to-data-processing-for-foundation-models/?spm=a2c4g.11186623.0.0.3e9821a69kWdvX).
 
 Data-Juicer is being actively updated and maintained. We will periodically enhance and add more features, data recipes and datasets. 
-We welcome you to join us (via issues, PRs, [Slack](https://join.slack.com/t/data-juicer/shared_invite/zt-23zxltg9d-Z4d3EJuhZbCLGwtnLWWUDg?spm=a2c22.12281976.0.0.7a8253f30mgpjw)  channel, [DingDing](https://qr.dingtalk.com/action/joingroup?spm=a2c22.12281976.0.0.7a8253f30mgpjw&code=v1,k1,C0DI7CwRFrg7gJP5aMC95FUmsNuwuKJboT62BqP5DAk=&_dt_no_comment=1&origin=11) group, ...), in promoting data-model co-development along with research and applications of (multimodal) LLMs!
+We welcome you to join us (via issues, PRs, [Slack](https://join.slack.com/t/data-juicer/shared_invite/zt-23zxltg9d-Z4d3EJuhZbCLGwtnLWWUDg?spm=a2c22.12281976.0.0.7a8253f30mgpjw)  channel, [DingDing](https://qr.dingtalk.com/action/joingroup?code=v1,k1,YFIXM2leDEk7gJP5aMC95AfYT+Oo/EP/ihnaIEhMyJM=&_dt_no_comment=1&origin=11) group, ...), in promoting data-model co-development along with research and applications of (multimodal) LLMs!
 
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README_ZH.md

@@ -27,7 +27,7 @@ Data-Juicer 是一个一站式**多模态**数据处理系统，旨在为大语
 
 [阿里云人工智能平台 PAI](https://www.aliyun.com/product/bigdata/learn) 已引用我们的工作，将Data-Juicer的能力集成到PAI的数据处理产品中。PAI提供包含数据集管理、算力管理、模型工具链、模型开发、模型训练、模型部署、AI资产管理在内的功能模块，为用户提供高性能、高稳定、企业级的大模型工程化能力。数据处理的使用文档请参考：[PAI-大模型数据处理](https://help.aliyun.com/zh/pai/user-guide/components-related-to-data-processing-for-foundation-models/?spm=a2c4g.11186623.0.0.3e9821a69kWdvX)。
 
-Data-Juicer正在积极更新和维护中，我们将定期强化和新增更多的功能和数据菜谱。热烈欢迎您加入我们（issues/PRs/[Slack频道](https://join.slack.com/t/data-juicer/shared_invite/zt-23zxltg9d-Z4d3EJuhZbCLGwtnLWWUDg?spm=a2c22.12281976.0.0.7a8275bc8g7ypp) /[钉钉群](https://qr.dingtalk.com/action/joingroup?spm=a2c22.12281976.0.0.7a8275bc8g7ypp&code=v1,k1,C0DI7CwRFrg7gJP5aMC95FUmsNuwuKJboT62BqP5DAk=&_dt_no_comment=1&origin=11)/...），一起推进LLM-数据的协同开发和研究！
+Data-Juicer正在积极更新和维护中，我们将定期强化和新增更多的功能和数据菜谱。热烈欢迎您加入我们（issues/PRs/[Slack频道](https://join.slack.com/t/data-juicer/shared_invite/zt-23zxltg9d-Z4d3EJuhZbCLGwtnLWWUDg?spm=a2c22.12281976.0.0.7a8275bc8g7ypp) /[钉钉群](https://qr.dingtalk.com/action/joingroup?code=v1,k1,YFIXM2leDEk7gJP5aMC95AfYT+Oo/EP/ihnaIEhMyJM=&_dt_no_comment=1&origin=11)/...），一起推进LLM-数据的协同开发和研究！
 
 
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