diff --git a/zh-cn/device-dev/Readme-CN.md b/zh-cn/device-dev/Readme-CN.md
index cb97523cb570e086bc512dbad6970149f6af897f..cbda778fcdf4d7520024505ac661bde550bd42ad 100644
--- a/zh-cn/device-dev/Readme-CN.md
+++ b/zh-cn/device-dev/Readme-CN.md
@@ -56,5 +56,6 @@
   - [Codelabs](https://gitee.com/openharmony/codelabs/blob/master/README.md)  
 - 参考
   - [常见问题-设备开发](faqs/Readme-CN.md)
+  - [HDI接口参考](reference/hdi-apis/Readme-CN.md)
 - 贡献
   - [参与贡献](../contribute/贡献文档.md) 
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