diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4f89112c18..4af3c49764 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,5 +1,11 @@
 # Contributing
 
+As a contributor, you should agree that:
+
+a. The producer can adjust the open-source agreement to be more strict or relaxed as deemed necessary.
+b. Your contributed code may be used for commercial purposes, including but not limited to its cloud business operations.
+
+
 ## Create pull request
 PR are always welcome, even if they only contain small fixes like typos or a few lines of code. If there will be a significant effort, please document it as an issue and get a discussion going before starting to work on it.