diff --git a/CHANGELOG.md b/CHANGELOG.md
index b4c0cdcc9..dec815d6f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,3 +10,4 @@
 - [Feature: zuul supports polaris router](https://github.com/Tencent/spring-cloud-tencent/pull/502)
 - [Refactor : optimize project and code](https://github.com/Tencent/spring-cloud-tencent/pull/506)
 - [Fix typo & Code optimization](https://github.com/Tencent/spring-cloud-tencent/pull/507)
+- [optimize：optimize config module code](https://github.com/Tencent/spring-cloud-tencent/pull/520)