[skip ci]update doc link in Contributor.md (#8902)

Signed-off-by: Nruiyi.jiang <ruiyi.jiang@zilliz.com>

CONTRIBUTING.md

@@ -8,19 +8,20 @@ As for everything else in the project, the contributions to Milvus are governed
 
 **Content**
 
-- [What contributions can I make?](#what-contributions-can-i-make?)
-- [How can I contribute?](#how-can-i-contribute?)
+- [Contributing to Milvus](#contributing-to-milvus)
+  - [What contributions can I make?](#what-contributions-can-i-make)
+  - [How can I contribute?](#how-can-i-contribute)
     - [Contributing code](#contributing-code)
     - [GitHub workflow](#github-workflow)
     - [General guidelines](#general-guidelines)
-    - [Developer Certificate of Origin](#developer-certificate-of-origin-dco)
-- [Coding style](#coding-style)
-    - [Golang](#golang-coding-style)
-    - [C++](#c++-coding-style)
-- [Run unit test with code coverage](#run-unit-test-with-code-coverage)
+    - [Developer Certificate of Origin (DCO)](#developer-certificate-of-origin-dco)
+  - [Coding Style](#coding-style)
+    - [Golang coding style](#golang-coding-style)
+    - [C++ coding style](#c-coding-style)
+  - [Run unit test with code coverage](#run-unit-test-with-code-coverage)
     - [Golang](#golang)
-    - [C++](#c++)
-- [Commits and PRs](#commits-and-prs)
+    - [C++](#c)
+  - [Commits and PRs](#commits-and-prs)
 
 ## What contributions can I make?
 
@@ -31,7 +32,7 @@ As for everything else in the project, the contributions to Milvus are governed
 | 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/milvus-io/milvus-insight)||
+| Web developers                           | [milvus-insight](https://github.com/zilliztech/milvus-insight)||
 
 ## How can I contribute?
 ### Contributing code