diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 9b4badc..a6fef39 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -6,7 +6,7 @@
   },
   "metadata": {
     "description": "Skills shared by Baoyu for improving daily work efficiency",
-    "version": "1.42.0"
+    "version": "1.42.1"
   },
   "plugins": [
     {
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc560f1..019e09a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 English | [中文](./CHANGELOG.zh.md)
 
+## 1.42.1 - 2026-02-28
+
+### Features
+- `baoyu-markdown-to-html`: modularize render.ts into cli, constants, extend-config, html-builder, renderer, themes, and types modules; bundle code highlighting themes locally
+
 ## 1.42.0 - 2026-02-28
 
 ### Features
diff --git a/CHANGELOG.zh.md b/CHANGELOG.zh.md
index bd7ea61..be8bcc1 100644
--- a/CHANGELOG.zh.md
+++ b/CHANGELOG.zh.md
@@ -2,6 +2,11 @@
 
 [English](./CHANGELOG.md) | 中文
 
+## 1.42.1 - 2026-02-28
+
+### 新功能
+- `baoyu-markdown-to-html`：将 render.ts 拆分为 cli、constants、extend-config、html-builder、renderer、themes、types 模块；本地打包代码高亮主题
+
 ## 1.42.0 - 2026-02-28
 
 ### 新功能