Update README.md

README.md

@@ -32,6 +32,7 @@ It offers a variety of features:
 * Home: <https://rocketmq.apache.org>
 * Docs: <https://rocketmq.apache.org/docs/quick-start/>
 * Issues: <https://github.com/apache/rocketmq/issues>
+* Rips: <https://github.com/apache/rocketmq/wiki/RocketMQ-Improvement-Proposal>
 * Ask: <https://stackoverflow.com/questions/tagged/rocketmq>
 * Slack: <https://rocketmq-invite-automation.herokuapp.com/>
  
@@ -43,7 +44,7 @@ It offers a variety of features:
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 ## Contributing
-We always welcome new contributions, whether for trivial cleanups, big new features or other material rewards, more details see [here](http://rocketmq.apache.org/docs/how-to-contribute/).
+We always welcome new contributions, whether for trivial cleanups, [big new features](https://github.com/apache/rocketmq/wiki/RocketMQ-Improvement-Proposal) or other material rewards, more details see [here](http://rocketmq.apache.org/docs/how-to-contribute/).
  
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 ## License