diff --git a/README.md b/README.md
index 44515d0e0..23154e67b 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@
 
 Higress 是基于阿里内部两年多的 Envoy Gateway 实践沉淀，以开源 [Istio](https://github.com/istio/istio) 与 [Envoy](https://github.com/envoyproxy/envoy) 为核心构建的下一代云原生网关。Higress 实现了安全防护网关、流量网关、微服务网关三层网关合一，可以显著降低网关的部署和运维成本。
 
-![arch](https://img.alicdn.com/imgextra/i4/O1CN01OgGP1728t0xeRfRYJ_!!6000000007989-0-tps-1726-1366.jpg)
+![arch](https://img.alicdn.com/imgextra/i1/O1CN01iO9ph825juHbOIg75_!!6000000007563-2-tps-2483-2024.png)
 
 ## Summary