diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbf9c68e8..f5e94ea57 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,3 +25,4 @@
 - [docs:update circuit breaker examples.](https://github.com/Tencent/spring-cloud-tencent/pull/1521)
 - [feat:support zuul circuit breaker fallback response.](https://github.com/Tencent/spring-cloud-tencent/pull/1522)
 - [feat:support auth.](https://github.com/Tencent/spring-cloud-tencent/pull/1541)
+- [feat:support smooth upgrade from tsf. ](https://github.com/Tencent/spring-cloud-tencent/pull/1542)