diff --git a/content/en/docs/contribution.md b/content/en/docs/contribution.md
index 3052197..926c0b0 100644
--- a/content/en/docs/contribution.md
+++ b/content/en/docs/contribution.md
@@ -44,10 +44,9 @@ All Volcano contributors must read and observe the [Code of Conduct](https://git
 
 ### Community discussions
 
-To better communicate with the developers in the Volcano community, please subscribe to the Volcano channel in the following way.
+To better communicate with developers in the Volcano community, please subscribe to the Volcano channel by following these steps:
 
-- Sign up and visit `slack.cncf. IO/` to join the CNCF workspace.
-- Participate in community discussions by adding the channel search `volcano`.
+- Join the CNCF `volcano` channel on [Slack](https://cloud-native.slack.com/archives/C011GJDQS0N) to participate in community discussions.
 
 ### Community Expectations
 
diff --git a/themes/academic/layouts/partials/widgets/about.html b/themes/academic/layouts/partials/widgets/about.html
index 01f058b..5fe3d98 100644
--- a/themes/academic/layouts/partials/widgets/about.html
+++ b/themes/academic/layouts/partials/widgets/about.html
@@ -18,7 +18,7 @@
 
 <!-- About widget -->
 {{ with $page.Title }}
-<div class="newtitle" style="width: 100%; text-align: center; font-size: 24px; font-weight: bold; padding-bottom: 0; margin-bottom: 0; color: #252b3a; line-height: 1;">
+<div class="newtitle" style="width: 100%; text-align: center; font-size: 24px; font-weight: bold; padding-bottom: 0; margin-bottom: 0; color: #252b3a;">
   {{ if eq $.Site.Language.Lang "zh" }}
     为什么选择Volcano
   {{ else }}