这个问题是怎么回事？求指点！
学习是最好的投资！
Try to pull a few more times, but it may be due to network problems. In this case, just try a few more times. Did you change the mirror source? ?
Try a few more times, or reconfigure the dao environment in your docker deamon
Use Docker accelerator.
Please search for Alibaba Cloud Docker Accelerator.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Try to pull a few more times, but it may be due to network problems. In this case, just try a few more times. Did you change the mirror source? ?
Try a few more times, or reconfigure the dao environment in your docker deamon
Use Docker accelerator.
Please search for Alibaba Cloud Docker Accelerator.