diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6efc7690cb..d8b9a3c671 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,40 @@ 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).
 
+## [v1.6.6](https://github.com/nocobase/nocobase/compare/v1.6.5...v1.6.6) - 2025-03-18
+
+### 🎉 New Features
+
+- **[client]** support long text fields as title fields for association field ([#6495](https://github.com/nocobase/nocobase/pull/6495)) by @katherinehhh
+
+- **[Workflow: Aggregate node]** Support to configure precision for aggregation result ([#6491](https://github.com/nocobase/nocobase/pull/6491)) by @mytharcher
+
+### 🚀 Improvements
+
+- **[File storage: S3(Pro)]** Change the text 'Access URL Base' to 'Base URL' by @zhangzhonghe
+
+### 🐛 Bug Fixes
+
+- **[evaluators]** Revert round decimal places to 9 ([#6492](https://github.com/nocobase/nocobase/pull/6492)) by @mytharcher
+
+- **[File manager]** encode url ([#6497](https://github.com/nocobase/nocobase/pull/6497)) by @chenos
+
+- **[Data source: Main]** Unable to create a MySQL view. ([#6477](https://github.com/nocobase/nocobase/pull/6477)) by @aaaaaajie
+
+- **[Workflow]** Fix legacy tasks count after workflow deleted ([#6493](https://github.com/nocobase/nocobase/pull/6493)) by @mytharcher
+
+- **[Embed NocoBase]** Page displays blank by @zhangzhonghe
+
+- **[Backup manager]**
+  - Upload files have not been restored when creating sub-app from backup template by @gchust
+
+  - MySQL database restore failure caused by GTID set overlap by @gchust
+
+- **[Workflow: Approval]**
+  - Change returned approval as todo by @mytharcher
+
+  - Fix action button missed in process table by @mytharcher
+
 ## [v1.6.5](https://github.com/nocobase/nocobase/compare/v1.6.4...v1.6.5) - 2025-03-17
 
 ### 🚀 Improvements
diff --git a/CHANGELOG.zh-CN.md b/CHANGELOG.zh-CN.md
index 50631289f8..5861cd0756 100644
--- a/CHANGELOG.zh-CN.md
+++ b/CHANGELOG.zh-CN.md
@@ -5,6 +5,40 @@
 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)。
 
+## [v1.6.6](https://github.com/nocobase/nocobase/compare/v1.6.5...v1.6.6) - 2025-03-18
+
+### 🎉 新特性
+
+- **[client]** 支持长文本字段作为关系字段的标题字段 ([#6495](https://github.com/nocobase/nocobase/pull/6495)) by @katherinehhh
+
+- **[工作流：聚合查询节点]** 支持为聚合结果配置精度选项 ([#6491](https://github.com/nocobase/nocobase/pull/6491)) by @mytharcher
+
+### 🚀 优化
+
+- **[文件存储：S3 (Pro)]** 将文案“访问 URL 基础”改为“基础 URL” by @zhangzhonghe
+
+### 🐛 修复
+
+- **[evaluators]** 将表达式计算保留小数调整回 9 位 ([#6492](https://github.com/nocobase/nocobase/pull/6492)) by @mytharcher
+
+- **[文件管理器]** URL 转义 ([#6497](https://github.com/nocobase/nocobase/pull/6497)) by @chenos
+
+- **[数据源：主数据库]** 无法创建 MySQL 视图 ([#6477](https://github.com/nocobase/nocobase/pull/6477)) by @aaaaaajie
+
+- **[工作流]** 修复历史遗留任务数量工作流删除后统计错误 ([#6493](https://github.com/nocobase/nocobase/pull/6493)) by @mytharcher
+
+- **[嵌入 NocoBase]** 页面显示空白 by @zhangzhonghe
+
+- **[备份管理器]**
+  - 通过多应用模板创建子应用时备份中的上传文件未被正确还原 by @gchust
+
+  - 还原 MySQL 数据库备份时由于 GTID 集合重叠导致的失败 by @gchust
+
+- **[工作流：审批]**
+  - 将退回的审批单据列入待办 by @mytharcher
+
+  - 修复审批过程表格中发起人查看按钮消失的问题 by @mytharcher
+
 ## [v1.6.5](https://github.com/nocobase/nocobase/compare/v1.6.4...v1.6.5) - 2025-03-17
 
 ### 🚀 优化