diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 26386eb..5160acd 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": "1.69.1"
+    "version": "1.70.0"
   },
   "plugins": [
     {
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9524dce..2f24a6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 English | [中文](./CHANGELOG.zh.md)
 
+## 1.70.0 - 2026-03-17
+
+### Features
+- `baoyu-format-markdown`: optimize title generation with formula-based recommendations and straightforward alternatives
+- `baoyu-format-markdown`: auto-generate dual summaries (`summary` + `description`) in frontmatter
+
 ## 1.69.1 - 2026-03-16
 
 ### Fixes
diff --git a/CHANGELOG.zh.md b/CHANGELOG.zh.md
index bc98110..82a6d30 100644
--- a/CHANGELOG.zh.md
+++ b/CHANGELOG.zh.md
@@ -2,6 +2,12 @@
 
 [English](./CHANGELOG.md) | 中文
 
+## 1.70.0 - 2026-03-17
+
+### 新功能
+- `baoyu-format-markdown`：优化标题生成，基于公式智能推荐并提供平实风格备选
+- `baoyu-format-markdown`：自动生成双版本摘要（`summary` + `description`），写入 frontmatter
+
 ## 1.69.1 - 2026-03-16
 
 ### 修复
diff --git a/CLAUDE.md b/CLAUDE.md
index e818249..e00cac9 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -1,6 +1,6 @@
 # CLAUDE.md
 
-Claude Code marketplace plugin providing AI-powered content generation skills. Version: **1.69.1**.
+Claude Code marketplace plugin providing AI-powered content generation skills. Version: **1.70.0**.
 
 ## Architecture