diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index aa2461b..b014f97 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": "1.42.2"
+    "version": "1.42.3"
   },
   "plugins": [
     {
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bbcb599..ddfc33c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 English | [中文](./CHANGELOG.zh.md)
 
+## 1.42.3 - 2026-03-02
+
+### Fixes
+- `baoyu-image-gen`: use standard size presets for DashScope aspect ratio mapping instead of free-form calculation
+
 ## 1.42.2 - 2026-03-01
 
 ### Features
diff --git a/CHANGELOG.zh.md b/CHANGELOG.zh.md
index f2c31fa..5a4781a 100644
--- a/CHANGELOG.zh.md
+++ b/CHANGELOG.zh.md
@@ -2,6 +2,11 @@
 
 [English](./CHANGELOG.md) | 中文
 
+## 1.42.3 - 2026-03-02
+
+### 修复
+- `baoyu-image-gen`：DashScope 宽高比映射改用标准预设尺寸匹配，避免自由计算产生无效分辨率
+
 ## 1.42.2 - 2026-03-01
 
 ### 新功能