504 Gateway Timeout 是一种HTTP协议的服务器端错误状态代码，表示扮演网关或者代理的服务器无法在规定的时间内获得想要的响应。
Gateway （网关）在计算机网络体系中可以指代不同的设备，504 错误通常不是在客户端可以修复的，而是需要由途径的Web服务器或者代理服务器对其进行修复。
状态
504 Gateway Timeout
规范
| Specification | Title |
|---|---|
| RFC 7231, section 6.6.4: 504 Gateway Timeout | Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content |
浏览器兼容性
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Feature | Chrome | Firefox | Edge | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic Support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
| Feature | Android | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
| Basic Support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |