更新 'about/index.md'

about/index.md

@@ -2,7 +2,7 @@
 title: about
 date: 2020-06-22 06:18:09
 type: about
-avatar: https://static.jqwei.com/blog/img/index/IMG_3457.PNG
+cover: https://static.jqwei.com/blog/img/index/IMG_3457.PNG
 ---
 
 ### Welcome to leave a message