diff --git a/readme.md b/readme.md
index eaba43418..ccc7b3722 100644
--- a/readme.md
+++ b/readme.md
@@ -33,11 +33,14 @@
 
 - [版本日志](./release.md)
 
-## Backend & SDK
+## IAM Repos
 
 - [TencentBlueKing/bk-iam](https://github.com/TencentBlueKing/bk-iam)
+- [TencentBlueKing/bk-iam-saas](https://github.com/TencentBlueKing/bk-iam-saas)
+- [TencentBlueKing/bk-iam-search-engine](https://github.com/TencentBlueKing/bk-iam-search-engine)
 - [TencentBlueKing/iam-python-sdk](https://github.com/TencentBlueKing/iam-python-sdk)
 - [TencentBlueKing/iam-go-sdk](https://github.com/TencentBlueKing/iam-go-sdk)
+- [TencentBlueKing/iam-php-sdk](https://github.com/TencentBlueKing/iam-php-sdk)
 
 ## Support