diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -110,6 +110,8 @@ npm run dev
 
 ## 架构
 
+![全局架构](assets/global-architecture.png)
+
 ### 生成管线
 
 基于 Eino `compose.Graph` 的四阶段管线，支持质检重试与降级输出：
@@ -138,6 +140,8 @@ graph TD
     C --> D["三段式规范提示词<br/>【主题】【风格】【技术】"]
 ```
 
+![后端架构](assets/backend-architecture.png)
+
 ### 预设风格键
 
 | 分类 | 键名 | 可选值示例 |
@@ -149,6 +153,8 @@ graph TD
 | 光照 | `lighting` | bright, dim, dramatic, ambient, neon |
 | 情绪 | `mood` | cheerful, dark, mysterious, epic, calm |
 
+![前端架构](assets/frontend-architecture.png)
+
 详细架构说明见 [docs/_index.md](docs/_index.md)。
 
 ## API
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