[self] fixed qcon2016 talk URL

Author: Huxpro

about.html

@@ -25,7 +25,7 @@
     <h5>Talks</h5>
 
     <ul>
-    <li><a href="//huangxuan.me/2016/10/20/pwa-in-my-pov/">Progressive Web Apps，复兴序章 · QCon 上海 2016</a></li>
+    <li><a href="//huangxuan.me/2016/10/20/pwa-qcon2016/">Progressive Web Apps，复兴序章 · QCon 上海 2016</a></li>
     <li><a href="//huangxuan.me/2016/06/05/pwa-in-my-pov/">Progressive Web App 之我见 · 2016</a></li>
     <li><a href="//huangxuan.me/2015/12/28/css-sucks-2015/">CSS Still Sucks 2015 · 2015</a></li>
     <li><a href="//huangxuan.me/2015/07/09/js-module-7day/">JavaScript 模块化七日谈 · 2015</a></li>