diff --git a/public/themes/website/1/zh/demo/video.html b/public/themes/website/1/zh/demo/video.html
index 30e0fd3..6e981d6 100644
--- a/public/themes/website/1/zh/demo/video.html
+++ b/public/themes/website/1/zh/demo/video.html
@@ -87,7 +87,7 @@
 
       <div class="v-grid">
         {hcTaglib:contentPage mainField="*" subField="*"  name="hc_content" limit="12" item="vo"}
-        <button type="button" class="v-card" data-video-src="{$vo.url}">
+        <button type="button" class="v-card" data-video-src="{$vo.thumbnail.url ?? ''}">
           <div class="v-card__media">
             <img class="v-card__cover" src="{$vo.thumbnail.url ?? ''}" alt="" width="400" height="225"
               loading="lazy" />