原图是PNG，在安卓和PC上都正常，就是在iOS上移动的时候出现了明显的锯齿
业精于勤，荒于嬉;行成于思，毁于随。
I think you should make it clear which ios device you have? Which Android device is it? If your png is 2 times larger, you may see jagged edges on the pixel-ratio of 3. I don’t know if this is your problem
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
I think you should make it clear which ios device you have? Which Android device is it? If your png is 2 times larger, you may see jagged edges on the pixel-ratio of 3. I don’t know if this is your problem