diff --git a/app/views/shared/_item_details.html.erb b/app/views/shared/_item_details.html.erb
index 3ec5d2f..3e9b494 100644
--- a/app/views/shared/_item_details.html.erb
+++ b/app/views/shared/_item_details.html.erb
@@ -33,6 +33,7 @@
     </div>
   </div><!-- 基本資料 end -->
   <!-- 截圖 -->
+  <%cache [ 'screenshots', expires_in: 30.minutes ] do%>
   <div class="details-section screenshots">
     <div class="screenshots-groups">
       <ul class="screenshots-list">
@@ -44,6 +45,7 @@
       </ul>
     </div>
   </div><!-- 截圖 end -->
+  <% end %>
   <!-- 說明 -->
   <div class="details-section description">
     <%= headingTitle("Description", nil) %>