diff --git a/public/themes/website/1/zh/demo/single_index.html b/public/themes/website/1/zh/demo/single_index.html
index 575127a..c018b29 100644
--- a/public/themes/website/1/zh/demo/single_index.html
+++ b/public/themes/website/1/zh/demo/single_index.html
@@ -781,9 +781,7 @@
                       <li class="glass-card">{$vv.title}</li>
                     {/volist}
                 </ul>
-                {hcTaglib:category id="$vo.id" item="vv" field="*"}
-                <a class="s-btn s-btn--light s-btn--pill" href="{$vv.alias ?? 'solution2.html'}">探索更多</a>
-                {/hcTaglib:category}
+                <a class="s-btn s-btn--light s-btn--pill" href="{$vo.children.0.alias ?? 'solution2.html'}">探索更多</a>
               </div>
             </article>
             {/hcTaglib:allSubCategory}