Updated CHANGELOG.md

Author: konakonall

CHANGELOG.md

@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+## [v1.2.3](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.2.1...v1.2.3) - 2021-02-24
+
+### Commits
+
+- v1.2.3 fix base64 error [`c0c1696`](https://github.com/tencentyun/cos-js-sdk-v5/commit/c0c16964154caec248bd742083fe1ac4db261a39)
+- Updated CHANGELOG.md [`691c09f`](https://github.com/tencentyun/cos-js-sdk-v5/commit/691c09fdc4473ba99cde39af09439e2aceb79b85)
+- 修改接口描述 [`67c842d`](https://github.com/tencentyun/cos-js-sdk-v5/commit/67c842d8707e38a37b1c0e42c49df9acd3ae8779)
+
 ## [v1.2.1](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.2.0...v1.2.1) - 2021-02-05
 
 * 修复 md5 计算报错