diff --git a/README.md b/README.md
index 51691dc..4ab9617 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,12 @@
-### broadcast
+# broadcast
 
 etcd 配置变更，agent 广播器实现
 
-### run
+## arch
+
+![image](https://user-images.githubusercontent.com/28869910/134543364-f94cbd1d-18b5-4817-8529-eed160b58aba.png)
+
+## run
 
 ```go
 go run main.go
@@ -13,6 +17,10 @@ cd notify && go run notify.go
 
 ![image-20210722012307043](img/image-20210722012307043.png)
 
-### acknowledgement
+### e2e 
+
+deploy etcd frist, and then run `make e2e`.
+
+## acknowledgement
 
-- etcd
\ No newline at end of file
+- etcd