> For the complete documentation index, see [llms.txt](https://gitbook-88.gitbook.io/ctf-writeup/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gitbook-88.gitbook.io/ctf-writeup/2019/2019-hackergame/qian-dao-ti.md).

# 签到题

F12检查页面源代码。

发现 button 的 disabled 属性被设置为 disabled。删去该属性。

输入token，获得flag。