diff --git a/CHANGELOG.md b/CHANGELOG.md
index a2021ef03..3cdd84ad4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,3 +20,4 @@
 - [fix:cancel reporting useless metadata.](https://github.com/Tencent/spring-cloud-tencent/pull/639)
 - [Feature: support read config file from local file system](https://github.com/Tencent/spring-cloud-tencent/pull/640)
 - [fix:optimize expression parser V1.](https://github.com/Tencent/spring-cloud-tencent/pull/642)
+- [Optimize: add transfer metadata unit test.](https://github.com/Tencent/spring-cloud-tencent/pull/646)