---
title: 505 HTTP Version Not Supported
slug: Web/HTTP/Status/505
tags:
  - 响应状态码
  - 服务器端错误
translation_of: Web/HTTP/Status/505
---
<div>{{HTTPSidebar}}</div>

<p><code><strong>505</strong></code><strong><code> HTTP Version Not Supported</code></strong> 是一种HTTP协议的服务器端错误状态代码，表示服务器不支持请求所使用的 HTTP 版本。</p>

<h2 id="状态">状态</h2>

<pre class="syntaxbox">505 HTTP Version Not Supported</pre>

<h2 id="规范">规范</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Title</th>
  </tr>
  <tr>
   <td>{{RFC("7231", "505 HTTP Version Not Supported" , "6.6.6")}}</td>
   <td>Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content</td>
  </tr>
 </tbody>
</table>

<h2 id="相关内容">相关内容</h2>

<ul>
 <li>{{HTTPHeader("Upgrade")}}</li>
</ul>