fix: 更新文章封面图

Author: Littly

source/_posts/2019-02-28-taro-h5-optimize.md

@@ -1,6 +1,6 @@
 title: 决战性能之巅 - Taro H5 转换与优化升级
 subtitle: 不只是能跑，我们还跑得快
-cover: https://img11.360buyimg.com/img/jfs/t1/11364/36/9481/35805/5c77fb25E6e83faef/1b17da7bcb48f841.jpg
+cover: https://img10.360buyimg.com/img/jfs/t1/21860/12/8740/42390/5c790470E1d0bbce9/9f9bb78d01f7564b.png
 ckey: 2019-02-28-taro-h5-optimize
 categories: 小程序
 tags: