diff --git a/_config.yml b/_config.yml
index cfcf0e6550d..1125fcee06c 100644
--- a/_config.yml
+++ b/_config.yml
@@ -107,7 +107,7 @@ toc: true
 
 comments:
   # Global switch for the post comment system. Keeping it empty means disabled.
-  provider: # [disqus | utterances | giscus]
+  provider: giscus
   # The provider options are as follows:
   disqus:
     shortname: # fill with the Disqus shortname. › https://help.disqus.com/en/articles/1717111-what-s-a-shortname
@@ -117,10 +117,10 @@ comments:
     issue_term: # < url | pathname | title | ...>
   # Giscus options › https://giscus.app
   giscus:
-    repo: # <gh-username>/<repo>
-    repo_id:
-    category:
-    category_id:
+    repo: sunwoo-j/sunwoo-j.github.io
+    repo_id: R_kgDOL-2mkA
+    category: General
+    category_id: DIC_kwDOL-2mkM4Cfj4Q
     mapping: # optional, default to 'pathname'
     strict: # optional, default to '0'
     input_position: # optional, default to 'bottom'