diff --git a/zh-cn/application-dev/security/cryptoFramework-guidelines.md b/zh-cn/application-dev/security/cryptoFramework-guidelines.md
index f5c9ff5007975a0122d09143b95cbdbf64d4e8de..c0dd86eae6a9f9bd3b29192f8e195bef2f78df3b 100644
--- a/zh-cn/application-dev/security/cryptoFramework-guidelines.md
+++ b/zh-cn/application-dev/security/cryptoFramework-guidelines.md
@@ -2566,3 +2566,9 @@ function doRandBySync() {
   }
 }
 ```
+
+## 相关实例
+
+针对加解密算法开发，有以下相关实例可供参考：
+
+- [字符串加解密（ArkTS）（API9）](https://gitee.com/openharmony/codelabs/tree/master/Security/StringCipherArkTS)