diff --git a/_config.yml b/_config.yml
index d1e3f825..05d55a0f 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,7 +1,7 @@
 name: "Pianfan's blog"
 description: "翩帆的个人技术博客"
 
-avatar: https://pianfan.github.io/images/avatar.webp
+avatar: https://pianfan.github.io/images/avatar.png
 favicon: https://pianfan.github.io/images/favicon.ico
 
 navigation: