diff --git a/zh-cn/application-dev/security/cryptoFramework-guidelines.md b/zh-cn/application-dev/security/cryptoFramework-guidelines.md
index 8402694b826823cc7f9a844b52f7b798e19112d9..77e716599c489b78fcc7555f033bd55187b59c3e 100644
--- a/zh-cn/application-dev/security/cryptoFramework-guidelines.md
+++ b/zh-cn/application-dev/security/cryptoFramework-guidelines.md
@@ -2571,6 +2571,8 @@ function doRandBySync() {
 
 针对加解密算法开发，有以下相关实例可供参考：
 
+- [通用密钥库系统（cryptoFramework）（ArkTS）（API9）](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/Security/CryptoFramework)
+
 - [加解密（ArkTS）（API9）](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/Security/Cipher)
 
 - [字符串加解密（ArkTS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Security/StringCipherArkTS)