How to render background image in mobile

问题

On the web page i have a background image which is not rendering properly on mobile view

body {
 background-image: 
      url("https://www.rafflesmedicalgroup.com/images/default-source/default-album/wuhan-virus-background.jpg?sfvrsn=2");
 background-size: cover;
  background-position: center;
 
}
 

In Web page it is working perfectly but not in mobile

来源：https://stackoverflow.com/questions/60830277/how-to-render-background-image-in-mobile