diff --git a/zh-cn/application-dev/reference/apis/Readme-CN.md b/zh-cn/application-dev/reference/apis/Readme-CN.md
index e2c282b5d1d0f74e8c1f1d19d1bfe11f02f4ff48..7041049af5409b2e3c26420d962f380d100e4acc 100755
--- a/zh-cn/application-dev/reference/apis/Readme-CN.md
+++ b/zh-cn/application-dev/reference/apis/Readme-CN.md
@@ -203,6 +203,7 @@
 - 安全
   - [@ohos.abilityAccessCtrl (程序访问控制管理)](js-apis-abilityAccessCtrl.md)
   - [@ohos.privacyManager (隐私管理)](js-apis-privacyManager.md)
+  - [@ohos.security.cert (证书模块)](js-apis-cert.md)
   - [@ohos.security.cryptoFramework (加解密算法库框架)](js-apis-cryptoFramework.md)
   - [@ohos.security.huks (通用密钥库系统)](js-apis-huks.md)
   - [@ohos.userIAM.faceAuth (人脸认证)](js-apis-useriam-faceauth.md)