diff --git a/README.md b/README.md
index 57d0cc561f..90bdec12d8 100644
--- a/README.md
+++ b/README.md
@@ -37,8 +37,8 @@ Try an example program with Milvus using [Python](https://www.milvus.io/docs/exa
 -   [Go](https://github.com/milvus-io/milvus-sdk-go)
 -   [Python](https://github.com/milvus-io/pymilvus)
 -   [Java](https://github.com/milvus-io/milvus-sdk-java)
--   [C++](https://github.com/milvus-io/milvus/tree/master/sdk)
--   [RESTful API](https://github.com/milvus-io/milvus/tree/master/core/src/server/web_impl)
+-   [C++](https://github.com/milvus-io/milvus/tree/1.x/sdk)
+-   [RESTful API](https://github.com/milvus-io/milvus/tree/1.x/core/src/server/web_impl)
 -   [Node.js](https://www.npmjs.com/package/@arkie-ai/milvus-client) (Contributed by [arkie](https://www.arkie.cn/))
 
 ## Application scenarios
diff --git a/README_CN.md b/README_CN.md
index c62c51fef3..66b69f8280 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -42,8 +42,8 @@ Milvus 是一个 [LF AI & Data 基金会](https://lfaidata.foundation/) 的孵
 -   [Go](https://github.com/milvus-io/milvus-sdk-go)
 -   [Python](https://github.com/milvus-io/pymilvus)
 -   [Java](https://github.com/milvus-io/milvus-sdk-java)
--   [C++](https://github.com/milvus-io/milvus/tree/master/sdk)
--   [RESTful API](https://github.com/milvus-io/milvus/tree/master/core/src/server/web_impl)
+-   [C++](https://github.com/milvus-io/milvus/tree/1.x/sdk)
+-   [RESTful API](https://github.com/milvus-io/milvus/tree/1.x/core/src/server/web_impl)
 -   [Node.js](https://www.npmjs.com/package/@arkie-ai/milvus-client) (由 [arkie](https://www.arkie.cn/) 提供)
 
 ## 应用场景
@@ -92,4 +92,4 @@ Milvus 可以应用于多种 AI 场景。你可以访问 [Milvus 应用场景](h
 
 ## 许可协议
 
-[Apache 许可协议 2.0 版](LICENSE)
\ No newline at end of file
+[Apache 许可协议 2.0 版](LICENSE)