Updated CHANGELOG.md

Author: konakonall

CHANGELOG.md

@@ -7,6 +7,23 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
 
+## [v1.2.11](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.2.10...v1.2.11) - 2021-05-28
+
+### Merged
+
+- Feat/env warning [`#109`](https://github.com/tencentyun/cos-js-sdk-v5/pull/109)
+- feat：新增sdk运行环境错误提示 [`#108`](https://github.com/tencentyun/cos-js-sdk-v5/pull/108)
+
+### Commits
+
+- update version 1.2.11 [`1a1ec58`](https://github.com/tencentyun/cos-js-sdk-v5/commit/1a1ec58f1b1721f7a60d201fa0b63ea071836b66)
+- Updated CHANGELOG.md [`f4bd1fb`](https://github.com/tencentyun/cos-js-sdk-v5/commit/f4bd1fbc2a9f47d19b7b3793e9693b6f73647b96)
+- update demo [`7d711c1`](https://github.com/tencentyun/cos-js-sdk-v5/commit/7d711c1f2fa1eae1affd8c452020cc93b024c809)
+- upd：sdk运行环境错误提示文案修改 [`a6fbd71`](https://github.com/tencentyun/cos-js-sdk-v5/commit/a6fbd71751f67074cfad619141978d4037547ce9)
+- upd：sdk运行环境错误提示文案修改 [`0a854fd`](https://github.com/tencentyun/cos-js-sdk-v5/commit/0a854fd01ff54b0b7b8523c4a615d528f8ffeb41)
+- Update package.json [`4b09275`](https://github.com/tencentyun/cos-js-sdk-v5/commit/4b09275728622de73181b64ae626d13965c34f69)
+- update demo [`a981cc8`](https://github.com/tencentyun/cos-js-sdk-v5/commit/a981cc823253d2eec6fe92903599479a107b5f5f)
+
 ## [v1.2.10](https://github.com/tencentyun/cos-js-sdk-v5/compare/v1.2.9...v1.2.10) - 2021-05-10
 
 ### Merged