diff --git a/_config.yml b/_config.yml
index 3636d13..f479aef 100644
--- a/_config.yml
+++ b/_config.yml
@@ -98,7 +98,7 @@ theme_mode: # [light | dark]
 cdn:
 
 # the avatar on sidebar, support local or CORS resources
-avatar:
+avatar: /assets/img/avatar.jpg
 
 # 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.
diff --git a/assets/img/avatar.jpg b/assets/img/avatar.jpg
new file mode 100644
index 0000000..4bc4a29
Binary files /dev/null and b/assets/img/avatar.jpg differ