diff --git a/src/content/posts/use-cloudflare-argo.md b/src/content/posts/use-cloudflare-argo.md
index 208b54a..e2d8ef9 100644
--- a/src/content/posts/use-cloudflare-argo.md
+++ b/src/content/posts/use-cloudflare-argo.md
@@ -9,8 +9,8 @@ category: cloudflare
 draft: false
 series: cloudflare
 lang: zh_CN
-customcover: https://img.mckero.com/use-cloudflare-argo/fengmian.png
-image: https://img.mckero.com/use-cloudflare-argo/fengmian.png
+customcover: https://img.mckero.com/use-cloudflare-argo/fengmian.webp
+image: https://img.mckero.com/use-cloudflare-argo/fengmian.webp
 ---
 # 什么是cloudflare argo smart routing？
   [cloudflare](https://www.cloudflare.com/zh-cn/application-services/products/argo-smart-routing/)是这样说的。