update avatar path

Author: yike.liang

src/portfolio.md

@@ -5,7 +5,7 @@ title: 档案主页
 icon: house
 welcome: 👋 安静一下，我讲两句，我是
 name: JavasHub
-avatar: './.vuepress/public/assets/image/nailong_2_touming.png'
+avatar: '/assets/image/nailong_2_touming.png'
 
 titles:
   - 一位明明可以靠着英俊的脸庞吃饭