diff --git a/_config.yml b/_config.yml
index 20510ed..664b5e3 100644
--- a/_config.yml
+++ b/_config.yml
@@ -76,7 +76,7 @@ theme_mode: # [light | dark]
 img_cdn:
 
 # the avatar on sidebar, support local or CORS resources
-avatar:
+avatar: https://s6.imgcdn.dev/WTERi.png
 
 # The URL of the site-wide social preview image used in SEO `og:image` meta tag.
 # It can be overridden by a customized `page.image` in front matter.