diff --git a/_config.yml b/_config.yml
index 5a9ead4..b66b992 100644
--- a/_config.yml
+++ b/_config.yml
@@ -304,6 +304,7 @@ gitalk:
   distractionFreeMode: false # Facebook-like distraction free mode.
   pagerDirection: last # Comment sorting direction, available values are last and first.
   createIssueManually: false # Gitalk will create a corresponding github issue for your every single page automatically
+  option:
 
 # valine
 # https://valine.js.org