docs: update changelogs

CHANGELOG.md

@@ -5,6 +5,23 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v2.0.40](https://github.com/nocobase/nocobase/compare/v2.0.39...v2.0.40) - 2026-04-20
+
+### 🐛 Bug Fixes
+
+- **[client]** Fixed an issue where updating sub-table values through field assignment would result in data contamination. ([#9163](https://github.com/nocobase/nocobase/pull/9163)) by @gchust
+
+- **[data-source-manager]** Fixed an issue where sequence fields could be changed to string after database synchronization ([#9143](https://github.com/nocobase/nocobase/pull/9143)) by @2013xile
+
+- **[File manager]** Return null when preview URL is missing ([#9104](https://github.com/nocobase/nocobase/pull/9104)) by @gaston98765
+
+- **[Workflow: JavaScript]** Fix security issue of script executing in `node:vm` mode ([#9084](https://github.com/nocobase/nocobase/pull/9084)) by @mytharcher
+
+- **[Departments]**
+  - Fixed department lists in department management not following the `sort` field order ([#9150](https://github.com/nocobase/nocobase/pull/9150)) by @2013xile
+
+  - Fixed missing or stale main department values after saving user departments ([#9156](https://github.com/nocobase/nocobase/pull/9156)) by @2013xile
+
 ## [v2.0.39](https://github.com/nocobase/nocobase/compare/v2.0.38...v2.0.39) - 2026-04-18
 
 ### 🚀 Improvements

CHANGELOG.zh-CN.md

@@ -5,6 +5,23 @@
 格式基于 [Keep a Changelog](https://keepachangelog.com/zh-CN/1.0.0/),
 并且本项目遵循 [语义化版本](https://semver.org/spec/v2.0.0.html)。
 
+## [v2.0.40](https://github.com/nocobase/nocobase/compare/v2.0.39...v2.0.40) - 2026-04-20
+
+### 🐛 修复
+
+- **[client]** 修复字段赋值修改子表格里的值后出现数据污染的问题。 ([#9163](https://github.com/nocobase/nocobase/pull/9163)) by @gchust
+
+- **[data-source-manager]** 修复数据库同步后 sequence 字段可能被改成 string 的问题 ([#9143](https://github.com/nocobase/nocobase/pull/9143)) by @2013xile
+
+- **[文件管理器]** 当预览 URL 缺失时返回 null ([#9104](https://github.com/nocobase/nocobase/pull/9104)) by @gaston98765
+
+- **[工作流：JavaScript 节点]** 修复 `node:vm` 模式下执行脚本的安全问题 ([#9084](https://github.com/nocobase/nocobase/pull/9084)) by @mytharcher
+
+- **[部门]**
+  - 修复部门管理中的部门列表未按 `sort` 字段顺序显示的问题 ([#9150](https://github.com/nocobase/nocobase/pull/9150)) by @2013xile
+
+  - 修复保存用户部门后主部门未同步或同步错误的问题 ([#9156](https://github.com/nocobase/nocobase/pull/9156)) by @2013xile
+
 ## [v2.0.39](https://github.com/nocobase/nocobase/compare/v2.0.38...v2.0.39) - 2026-04-18
 
 ### 🚀 优化