Forehead. . . . There is a bug in video playback. Clicking a video on the homepage cannot enter the video playback page, and an error "No input file specified." is reported.
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![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Where did you order it from?
Did you write the path wrong?