Excuse me, what is the answer to this section? According to the video, it is not correct
1. Check whether the PDO extension is enabled? 2. Check your operating system. If it is not Windows, use the host: localhost3. You can download the source code with the course and check it (click the courseware to download) can be seen
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
1. Check whether the PDO extension is enabled?
2. Check your operating system. If it is not Windows, use the host: localhost
3. You can download the source code with the course and check it (click the courseware to download) can be seen