diff --git a/archive.html b/archive.html
index f620f20..cc9a3ff 100644
--- a/archive.html
+++ b/archive.html
@@ -8,7 +8,7 @@
 {% capture is_first_year %}1{% endcapture %}
 {% capture expanded %}true{% endcapture %}
 <div id="archive">
-  <div class="card">
+  <div class="card mb-3">
 {% for post in site.posts %}
   {% capture post_year %}{{ post.date | date: '%Y' }}{% endcapture %}
   {% capture post_month %}{{ post.date | date: '%-m' }}{% endcapture %}
@@ -55,4 +55,4 @@ <h5 class="mb-0">{% case post_month %}
       &lt;!-- 到底了 --&gt;
     </div>
   </div>
-</div>
\ No newline at end of file
+</div>