diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5559bc2..eb515fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+## [v1.4.3](https://github.com/tencentyun/cos-wx-sdk-v5/compare/v1.4.2...v1.4.3) - 2022-09-22
+
+feat
+-  支持sdk内部获取上传文件大小，不再依赖用户传入的FileSize
+
+### Merged
+
+- fix: sdk内部获取上传文件大小 [`#76`](https://github.com/tencentyun/cos-wx-sdk-v5/pull/76)
+
+### Commits
+
+- Updated CHANGELOG.md [`4652da7`](https://github.com/tencentyun/cos-wx-sdk-v5/commit/4652da7173c8f0fdc1de62955703d6e9e6efd0de)
+
 ## [v1.4.2](https://github.com/tencentyun/cos-wx-sdk-v5/compare/v1.4.1...v1.4.2) - 2022-09-09
 
 fix