diff --git a/_config.yml b/_config.yml
index 52687924afc2..0362c228b498 100644
--- a/_config.yml
+++ b/_config.yml
@@ -113,17 +113,17 @@ analytics:
 # Site Author
 author:
   name             : "Chaelogg"
-  avatar           : # path of avatar image, e.g. "/assets/images/bio-photo.jpg"
+  avatar           : "/images/bio.jpg"
   bio              : "채냥 공부 기록"
   location         : "South Korea. Seoul"
-  email            :
+  email            : "chehun1216@naver.com"
   links:
     - label: "Email"
       icon: "fas fa-fw fa-envelope-square"
-      # url: "mailto:your.name@email.com"
+      # url: "chehun1216@ewha.ac.kr"
     - label: "Website"
       icon: "fas fa-fw fa-link"
-      # url: "https://your-website.com"
+      # url: "https://chechae.github.io"
     - label: "Twitter"
       icon: "fab fa-fw fa-twitter-square"
       # url: "https://twitter.com/"