diff --git a/doc/design.md b/doc/design.md
index d9aef40e5bbc817a512d5304534e344ec79823b5..50c0c4c3a8d81d20b964b00110adb8fbc784a11c 100644
--- a/doc/design.md
+++ b/doc/design.md
@@ -2,7 +2,6 @@
 
 
 ## PaddleRec 整体设计概览
-PaddleRec将推荐模型的训练与预测流程，整体抽象为了五个大模块：
 
 - [PaddleRec 设计](#paddlerec-设计)
   - [PaddleRec 整体设计概览](#paddlerec-整体设计概览)
@@ -12,6 +11,12 @@ PaddleRec将推荐模型的训练与预测流程，整体抽象为了五个大
   - [Reader](#reader)
   - [Metric](#metric)
 
+PaddleRec将推荐模型的训练与预测流程，整体抽象为了五个大模块：
+
+<p align="center">
+<img align="center" src="imgs/design.png">
+<p>
+
 core的文件结构如下，后续分别对各个模块进行介绍。
 ```
 .core
diff --git a/doc/imgs/design.png b/doc/imgs/design.png
index 740112697e5d6ce82521446ac05336cad33d6324..8d49e44abbb3e4cdbfbd3ec1510f2b5dc8f2b020 100644
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