更新 'index.html'

修改外部因为的md5资源，原网站ssl证书问题导致加载异常

index.html

@@ -16,7 +16,7 @@
   <meta name="force-rendering" content="webkit"/>
   <meta name="layoutmode" content="fitscreen">
   <meta name="HandheldFriendly" content="true">
-  <script src="http://cdn.bootcss.com/blueimp-md5/1.1.0/js/md5.js"></script>
+  <script src="https://cs.wechat.kfzs.com/client/static/js/md5.js"></script>
   <title></title>
 
   <style>