diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 6c6909946c..831cb9ef36 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -27,10 +27,10 @@ As for everything else in the project, the contributions to Milvus are governed
 
 | Suitable for                             | Projects                                                                                                                                                                            | Resources                                                                                           |
 | ---------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- |
-| Go developers                            | [milvus](https://github.com/milvus-io/milvus), [milvus-sdk-go](https://github.com/milvus-io/milvus-sdk-go)                                                                          |                                                                                                     |
-| CPP developers                           | [milvus](https://github.com/milvus-io/milvus), [knowhere](https://github.com/milvus-io/knowhere)                                                                                    |                                                                                                     |
+| Go developers                            | [milvus](https://github.com/milvus-io/milvus)                                                                           |                                                                                                     |
+| CPP developers                           | [milvus](https://github.com/milvus-io/milvus)                                                                                     |                                                                                                     |
 | Developers interested in other languages | [pymilvus](https://github.com/milvus-io/pymilvus), [milvus-sdk-node](https://github.com/milvus-io/milvus-sdk-node), [milvus-sdk-java](https://github.com/milvus-io/milvus-sdk-java) | [Contributing to PyMilvus](https://github.com/milvus-io/pymilvus/blob/master/CONTRIBUTING.md)       |
-| Kubernetes enthusiasts                   | [milvus-helm](https://github.com/milvus-io/milvus-helm)                                                                                                                             |                                                                                                     |
+|                                                                                             |
 | Tech writers and docs enthusiasts        | [milvus-docs](https://github.com/milvus-io/milvus-docs)                                                                                                                             | [Contributing to milvus docs](https://github.com/milvus-io/milvus-docs/blob/v2.0.0/CONTRIBUTING.md) |
 | Web developers                           | [milvus-insight](https://github.com/zilliztech/milvus-insight)                                                                                                                      |                                                                                                     |