> For the complete documentation index, see [llms.txt](https://close.gitbook.io/yun-wei-bi-ji/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://close.gitbook.io/yun-wei-bi-ji/centos/nginx/li-yong-ke-hu-duan-sui-ji-tiao-zhuan.md).
# 利用客户端随机跳转
* 再配合JS加密，效果更好
```markup
Concurrent Polling
```