diff --git a/index.html b/index.html
index bf341b4..8223912 100644
--- a/index.html
+++ b/index.html
@@ -325,7 +325,7 @@ <h2 class="ui center aligned header">也有不定期活動，反正都在行事
     <div class="ui container">
       <div class="ui inverted segment">
         <div class="embed">
-          <iframe src="https://nchuit.cc/行事曆" width="100%" height="650" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
+          <iframe src="https://docs.google.com/document/d/1WiG3-mfj5nVVxA2PWykqlq1IV-DLYVyTEFa3Nk7BwK4/edit?usp=sharing" width="100%" height="650" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>
         </div>
       </div>
     </div>