diff --git a/README.md b/README.md
index 219ca305..7c2d07f3 100644
--- a/README.md
+++ b/README.md
@@ -312,6 +312,7 @@ Build an attack chain for the latest engagement and export the node list with se
 
 ## Changelog (Recent)
 
+- 2025-12-24 – Refactored attack chain generation logic, achieving 2x faster generation speed. Redesigned attack chain frontend visualization for improved user experience.
 - 2025-12-20 – Added knowledge base feature with vector search, hybrid retrieval, and automatic indexing. AI agent can now search security knowledge during conversations.
 - 2025-12-19 – Added ZoomEye network space search engine tool (zoomeye_search) with support for IPv4/IPv6/web assets, facets statistics, and flexible query parameters.
 - 2025-12-18 – Optimized web frontend with enhanced sidebar navigation and improved user experience.
diff --git a/README_CN.md b/README_CN.md
index 43254d2e..4b7fea9a 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -309,6 +309,7 @@ CyberStrikeAI/
 ```
 
 ## Changelog（近期）
+- 2025-12-24 —— 重构攻击链生成逻辑，生成速度提升一倍。重构攻击链前端页面展示，优化用户体验。
 - 2025-12-20 —— 新增知识库功能：支持向量检索、混合搜索与自动索引，AI 智能体可在对话中自动搜索安全知识。
 - 2025-12-19 —— 新增钟馗之眼（ZoomEye）网络空间搜索引擎工具（zoomeye_search），支持 IPv4/IPv6/Web 等资产搜索、统计项查询与灵活的查询参数配置。
 - 2025-12-18 —— 优化 Web 前端界面，增加侧边栏导航，提升用户体验。