diff --git a/index.html b/index.html
index 12e8942..b98f69d 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,8 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>优享地图</title>
 </head>
-<script type="text/javascript" src="http://api.tianditu.gov.cn/api?v=4.0&tk=4e6d9067f64ad8101ca0f4ceb7cb4083" crossorigin></script>
+<script type="text/javascript" src="https://api.tianditu.gov.cn/api?v=4.0&tk=4e6d9067f64ad8101ca0f4ceb7cb4083" crossorigin></script>
+<!-- https://tile1.tianditu.gov.cn/vts?t=vt&pk=gd1a&tk=75f0434f240669f4a2df6359275146d2&v=1.0 -->
 <!-- <script src="https://cdn.bootcss.com/vConsole/3.3.0/vconsole.min.js" crossorigin></script> -->
 <script>
   // var vConsole = new VConsole();