diff --git a/CHANGELOG.md b/CHANGELOG.md
index 802bf82..0fffe5f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,59 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+## [v1.2.0](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.1.10...v1.2.0) - 2021-02-03
+
+# 整改错误格式
+# 补充测试用例
+# 增加覆盖率统计
+# 增加 d.ts 支持
+# 优化签名计算逻辑
+# getObject 接口支持 onProgress
+# 修复 global 报错
+
+### Commits
+
+- 规范错误格式 [`23a1efd`](https://github.com/tencentyun/cos-js-sdk-v5/commit/23a1efd4deb914fdb8a63bbec416609cb877c9fa)
+- 补充测试用例 [`c4dbcc7`](https://github.com/tencentyun/cos-js-sdk-v5/commit/c4dbcc735036cead50d3d09e4a1aed324487096f)
+- 补充测试用例 [`1991c3f`](https://github.com/tencentyun/cos-js-sdk-v5/commit/1991c3f50a2339331cb4a76c0ba33136146c9709)
+- 增加测试用例覆盖率统计 [`dbf44a4`](https://github.com/tencentyun/cos-js-sdk-v5/commit/dbf44a4ee3f409dad0f3eca9f4c7098763eb6486)
+- 提示错误字段建议 [`34d9bc6`](https://github.com/tencentyun/cos-js-sdk-v5/commit/34d9bc6d918a045712f2d68776d03de058214f59)
+- 增加 nyc 依赖 [`6e61937`](https://github.com/tencentyun/cos-js-sdk-v5/commit/6e6193790660b713e5741902ac9f4652b676541b)
+
+## [v1.1.10](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.1.9...v1.1.10) - 2021-01-25
+
+### Commits
+
+- 优化 d.ts 问题 [`8b30286`](https://github.com/tencentyun/cos-js-sdk-v5/commit/8b30286c6cc0f3ab88ba460982d41a04f2fef37b)
+- 优化 d.ts 问题 [`92c4ae1`](https://github.com/tencentyun/cos-js-sdk-v5/commit/92c4ae10858e53d17dd5a947ef1874e8af3b162a)
+
+## [v1.1.9](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.1.8...v1.1.9) - 2021-01-18
+
+### Commits
+
+- 修复 global 报错 [`1dbfefc`](https://github.com/tencentyun/cos-js-sdk-v5/commit/1dbfefca6cd8e3ecdcb5a87dbe91fa51c7e9f3c0)
+
+## [v1.1.8](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.1.7...v1.1.8) - 2021-01-14
+
+### Commits
+
+- complete 接口 xml body 去掉空格 [`9dfa8be`](https://github.com/tencentyun/cos-js-sdk-v5/commit/9dfa8be87a700e4c5accdf3b2265695813182df6)
+
+## [v1.1.7](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.1.6...v1.1.7) - 2021-01-13
+
+### Commits
+
+- 增加 index.d.ts 声明文件 [`1fe6e95`](https://github.com/tencentyun/cos-js-sdk-v5/commit/1fe6e9590bb48e95f35e8030789c9dc3bc9d3446)
+
+## [v1.1.6](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.1.5...v1.1.6) - 2021-01-12
+
+### Commits
+
+- getObject 支持 onProgress [`b31690d`](https://github.com/tencentyun/cos-js-sdk-v5/commit/b31690d3ecf0ed072808ca0643a888379e90ee5c)
+- Updated CHANGELOG.md [`7869965`](https://github.com/tencentyun/cos-js-sdk-v5/commit/78699653328c775a20dabe1483871eb815ad46e1)
+- Update start.md [`00fb9f1`](https://github.com/tencentyun/cos-js-sdk-v5/commit/00fb9f1ac59c88f130c9ac377e02d32ee727be3d)
+- 修改签名错误 [`7152fde`](https://github.com/tencentyun/cos-js-sdk-v5/commit/7152fdee767158b946bf1896851ec44f7eb8b720)
+
 ## [v1.1.5](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.1.3...v1.1.5) - 2020-12-17
 
 分片支持 Pic-Operations 参数，和 UploadResult 返回值