doc: update readme & add QR code (#249)
diff --git a/README.md b/README.md
index 44bae70..9b39c54 100644
--- a/README.md
+++ b/README.md
@@ -35,3 +35,14 @@
## License
hugegraph-computer is licensed under Apache 2.0 License.
+
+### Contact Us
+
+---
+
+ - [GitHub Issues](https://github.com/apache/incubator-hugegraph-computer/issues): Feedback on usage issues and functional requirements (quick response)
+ - Feedback Email: [dev@hugegraph.apache.org](mailto:dev@hugegraph.apache.org) ([subscriber](https://hugegraph.apache.org/docs/contribution-guidelines/subscribe/) only)
+ - WeChat public account: Apache HugeGraph, welcome to scan this QR code to follow us.
+
+ <img src="https://github.com/apache/incubator-hugegraph-doc/blob/master/assets/images/wechat.png?raw=true" alt="QR png" width="350"/>
+