diff --git a/templates/index.html b/templates/index.html
index 6802d41..a9e1867 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -45,7 +45,7 @@
     {% endfor %}
   </aside>
   <div class="frame-wrap">
-    <div class="frame-placeholder" id="placeholder">在左侧点击服务，在此区域以内嵌方式打开（不跳转、不开新标签）</div>
+    <div class="frame-placeholder" id="placeholder" aria-hidden="true"></div>
     <iframe id="svc-frame" title="内嵌服务" hidden></iframe>
   </div>
 </div>