diff --git a/docs/PRD.md b/docs/PRD.md
index db23ce3c..77fb76d4 100644
--- a/docs/PRD.md
+++ b/docs/PRD.md
@@ -70,6 +70,9 @@
 * Proxy&DNS
 * API gateway
 
+![image](https://user-images.githubusercontent.com/16741975/216497356-3913abd2-0b75-4619-8c40-512079e35f5b.png)
+
+
 ### 基础组件
 
 技术选型如下：