diff --git a/app.html b/app.html
index 364a779..adaa71a 100644
--- a/app.html
+++ b/app.html
@@ -14,7 +14,7 @@
               <div class="icon"><img src="image/icon.png" width="72" height="72"/></div>
               <div class="info">
                 <p>三姑六婆计算器</p>
-                <p><a href="http://pan.baidu.com/s/1geZJGxd" target="_blank">下载</a></p>
+                <p><a href="https://pan.baidu.com/s/1sljDB8D" target="_blank">下载</a></p>
               </div>
           </div>
           <div class="mod-view">