bannyliu

Results 1 issues of bannyliu

重新刷新时会出现空白 第一个div的高度不是零

![image](https://user-images.githubusercontent.com/26211474/60229172-965b7200-98c7-11e9-8695-b650816648ca.png) ![image](https://user-images.githubusercontent.com/26211474/60229207-b68b3100-98c7-11e9-8da8-0c36f882ffad.png)