diff --git a/README.md b/README.md
index 33d5e23a8e..549b2c723a 100644
--- a/README.md
+++ b/README.md
@@ -108,9 +108,14 @@ $ npm start
> You can also use **[G2Plot](https://github.com/antvis/G2Plot)** which is an interactive and responsive charting library based on G2. You can easily make superior statistical plots through a few lines of code.
-
## 🤝 How to Contribute
Please let us know how can we help. Do check out [issues](https://github.com/antvis/g2/issues) for bug reports or suggestions first.
To become a contributor, please follow our [contributing guide](https://github.com/antvis/g2/blob/master/CONTRIBUTING.md).
+
+## Contact us
+
+DingTalk Group: 30233731
+
+
\ No newline at end of file
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 108e4a2d4c..fee807a4d6 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -113,3 +113,9 @@ $ npm start
如果您在使用的过程中碰到问题，可以先通过 [issues](https://github.com/antvis/g2/issues) 看看有没有类似的 bug 或者建议。
如需提交代码，请遵从我们的[贡献指南](https://github.com/antvis/g2/blob/master/CONTRIBUTING.md)。
+
+## 联系我们
+
+钉钉群组号码: 30233731
+
+
diff --git a/docs/manual/contact.en.md b/docs/manual/contact.en.md
index 6556eb7be8..89e1fb042e 100644
--- a/docs/manual/contact.en.md
+++ b/docs/manual/contact.en.md
@@ -12,3 +12,7 @@ mail: antv@antfin.com
Yuque column: https://www.yuque.com/antv/blog
Zhihu column: https://zhuanlan.zhihu.com/aiux-antv
+
+DingTalk Group Number: 30233731
+
+
diff --git a/docs/manual/contact.zh.md b/docs/manual/contact.zh.md
index 56e48153a2..d8523a3f66 100644
--- a/docs/manual/contact.zh.md
+++ b/docs/manual/contact.zh.md
@@ -12,3 +12,7 @@ order: 7
语雀专栏：https://www.yuque.com/antv/blog
知乎专栏：https://zhuanlan.zhihu.com/aiux-antv
+
+钉钉群组号码: 30233731
+
+