diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index 747b1aa..5be85a8 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": "1.21.0"
+    "version": "1.21.1"
   },
   "plugins": [
     {
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e817b7..d017b54 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 English | [中文](./CHANGELOG.zh.md)
 
+## 1.21.1 - 2026-01-24
+
+### Documentation
+- `baoyu-comic`: adds character sheet compression step after generation to reduce token usage when used as reference image.
+
 ## 1.21.0 - 2026-01-24
 
 ### Features
diff --git a/CHANGELOG.zh.md b/CHANGELOG.zh.md
index 022e5f1..82ad860 100644
--- a/CHANGELOG.zh.md
+++ b/CHANGELOG.zh.md
@@ -2,6 +2,11 @@
 
 [English](./CHANGELOG.md) | 中文
 
+## 1.21.1 - 2026-01-24
+
+### 文档
+- `baoyu-comic`：在角色参考图生成后添加压缩步骤，减少作为参考图使用时的 token 消耗。
+
 ## 1.21.0 - 2026-01-24
 
 ### 新功能
diff --git a/skills/baoyu-comic/SKILL.md b/skills/baoyu-comic/SKILL.md
index 3b35bef..6f48868 100644
--- a/skills/baoyu-comic/SKILL.md
+++ b/skills/baoyu-comic/SKILL.md
@@ -201,6 +201,12 @@ npx -y bun ${SKILL_DIR}/../baoyu-image-gen/scripts/main.ts \
   --image characters/characters.png --ar 4:3
 ```
 
+**Compress character sheet** (recommended):
+Compress to reduce token usage when used as reference image:
+- Use available image compression skill (if any)
+- Or system tools: `pngquant`, `optipng`, `sips` (macOS)
+- **Keep PNG format**, lossless compression preferred
+
 **7.2 Generate each page WITH character reference**:
 
 | Skill Capability | Strategy |