diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60cea36e..1f3225c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,47 @@ All notable changes to Claude Code Workflow (CCW) will be documented in this fil
 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).
 
+## [5.1.0] - 2025-10-27
+
+### 🔄 Agent Architecture Consolidation
+
+This release consolidates the agent architecture and enhances workflow commands for better reliability and clarity.
+
+#### ✅ Added
+
+**Agent System**:
+- ✅ **Universal Executor Agent** - New consolidated agent replacing general-purpose agent
+- ✅ **Enhanced agent specialization** - Better separation of concerns across agent types
+
+**Workflow Improvements**:
+- ✅ **Advanced context filtering** - Context-gather command now supports more sophisticated validation
+- ✅ **Session state management** - Enhanced session completion with better cleanup logic
+
+#### 📝 Changed
+
+**Agent Architecture**:
+- 🔄 **Removed general-purpose agent** - Consolidated into universal-executor for clarity
+- 🔄 **Improved agent naming** - More descriptive agent names matching their specific roles
+
+**Command Enhancements**:
+- 🔄 **`/workflow:session:complete`** - Better state management and cleanup procedures
+- 🔄 **`/workflow:tools:context-gather`** - Enhanced filtering and validation capabilities
+
+#### 🗂️ Maintenance
+
+**Code Organization**:
+- 📦 **Archived legacy templates** - Moved outdated prompt templates to archive folder
+- 📦 **Documentation cleanup** - Improved consistency across workflow documentation
+
+#### 📦 Updated Files
+
+- `.claude/agents/universal-executor.md` - New consolidated agent definition
+- `.claude/commands/workflow/session/complete.md` - Enhanced session management
+- `.claude/commands/workflow/tools/context-gather.md` - Improved context filtering
+- `.claude/workflows/cli-templates/prompts/archive/` - Legacy template archive
+
+---
+
 ## [5.0.0] - 2025-10-24
 
 ### 🎉 Less is More - Simplified Architecture Release
diff --git a/README.md b/README.md
index 6567ff88..9e89b8bc 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 <div align="center">
 
-[![Version](https://img.shields.io/badge/version-v5.0.0-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
+[![Version](https://img.shields.io/badge/version-v5.1.0-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
 [![Platform](https://img.shields.io/badge/platform-Windows%20%7C%20Linux%20%7C%20macOS-lightgrey.svg)]()
 
@@ -14,12 +14,12 @@
 
 **Claude Code Workflow (CCW)** transforms AI development from simple prompt chaining into a robust, context-first orchestration system. It solves execution uncertainty and error accumulation through structured planning, deterministic execution, and intelligent multi-model orchestration.
 
-> **🎉 Version 5.0: Less is More**
+> **🎉 Version 5.1: Agent Architecture Consolidation**
 >
 > **Core Improvements**:
-> - ✅ **Removed External Dependencies** - Using standard ripgrep/find instead of MCP code-index for better stability
-> - ✅ **Streamlined Workflows** - Enhanced TDD workflow with conflict resolution mechanism
-> - ✅ **Focused on Role Analysis** - Simplified planning architecture centered on role documents
+> - ✅ **Universal Executor Agent** - Consolidated agent architecture for better clarity and specialization
+> - ✅ **Enhanced Workflow Commands** - Improved session management and context gathering capabilities
+> - ✅ **Better Code Organization** - Archived legacy templates and improved documentation consistency
 >
 > See [CHANGELOG.md](CHANGELOG.md) for full details.
 
diff --git a/README_CN.md b/README_CN.md
index 6c10ace5..748ffc1a 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -2,7 +2,7 @@
 
 <div align="center">
 
-[![Version](https://img.shields.io/badge/version-v5.0.0-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
+[![Version](https://img.shields.io/badge/version-v5.1.0-blue.svg)](https://github.com/catlog22/Claude-Code-Workflow/releases)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
 [![Platform](https://img.shields.io/badge/platform-Windows%20%7C%20Linux%20%7C%20macOS-lightgrey.svg)]()
 
@@ -14,12 +14,12 @@
 
 **Claude Code Workflow (CCW)** 将 AI 开发从简单的提示词链接转变为一个强大的、上下文优先的编排系统。它通过结构化规划、确定性执行和智能多模型编排，解决了执行不确定性和误差累积的问题。
 
-> **🎉 版本 5.0: 少即是多**
+> **🎉 版本 5.1: 智能体架构整合**
 >
 > **核心改进**:
-> - ✅ **移除外部依赖** - 使用标准 ripgrep/find 替代 MCP code-index，提升稳定性
-> - ✅ **简化工作流** - 优化 TDD 流程，引入冲突解决机制
-> - ✅ **专注角色分析** - 以角色文档为核心，简化规划架构
+> - ✅ **通用执行器智能体** - 整合智能体架构，提升清晰度和专业化程度
+> - ✅ **增强的工作流命令** - 改进会话管理和上下文收集能力
+> - ✅ **更好的代码组织** - 归档遗留模板，改进文档一致性
 >
 > 详见 [CHANGELOG.md](CHANGELOG.md)。