diff --git a/README.md b/README.md
index bb25e84..f6e9ba1 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,10 @@
   新增局域网实时图传、PDF 上传、MinerU / OCRmyPDF 云端处理、手机端任务管理面板。
 </p>
 
+<p align="center">
+  <img src="docs/main_tree.png" alt="FSBC 架构图" width="800" />
+</p>
+
 ---
 
 ## 新增功能（CYY 增强版）
diff --git a/docs/main_tree.png b/docs/main_tree.png
new file mode 100644
index 0000000..85cd597
Binary files /dev/null and b/docs/main_tree.png differ