> For the complete documentation index, see [llms.txt](https://doc.9http.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.9http.com/chang-jian-wen-ti/chan-pin-wen-ti/wei-shen-me-zai-zhi-wen-liu-lan-qi-zhong-xian-shi-dai-li-wu-fa-lian-jie.md).

# 为什么在指纹浏览器中显示代理无法连接？

代理IP在指纹浏览器中显示无法连接，通常与以下原因有关：

1. 网络连接异常
2. 当前操作环境为中国大陆环境，9HTTP仅支持非中国大陆环境下使用
3. 当前连接的代理IP不可用，可尝试更换IP