Update index.html

index.html

@@ -78,6 +78,7 @@
   <script src="//unpkg.com/docsify-count/dist/countable.js"></script>
   <script src="https://cdn.jsdelivr.net/npm/prismjs@1.22.0/components/prism-java.min.js"></script>
   <script src="//cdn.jsdelivr.net/npm/docsify/lib/plugins/emoji.min.js"></script>
+  <script async src="//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js"></script>
 
 </body>
 </html>