diff --git a/static/html/chat_page.html b/static/html/chat_page.html
index 5320d39..fa9c928 100644
--- a/static/html/chat_page.html
+++ b/static/html/chat_page.html
@@ -116,7 +116,7 @@
     </template>
 </div>
 </body>
-<script src="http://pv.sohu.com/cityjson?ie=utf-8"></script>
+<script src="//pv.sohu.com/cityjson?ie=utf-8"></script>
 <script src="https://cdn.bootcss.com/reconnecting-websocket/1.0.0/reconnecting-websocket.min.js"></script>
 <script>
     var KEFU_ID="{{.KEFU_ID}}";