# 从 3.x.x 升级

V3 版本内升级步骤较为简单，总体流程如下：

1. 备份数据库；
2. 下载或构建最新版本的 Cloudreve；
3. 停止正在运行的 Cloudreve；
4. 将老版本的 Cloudreve 主程序替换为新版本；
5. 启动 Cloudreve；
6. 清空浏览器缓存；
7. 如果你在使用 Cloudreve 从机模式，请将从机节点的 Cloudreve 也替换为相同版本。

{% hint style="info" %}
如果你在老版本使用了自行构建的前端静态资源文件，请使用新版对应的前端仓库代码重新构建。
{% endhint %}


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docsv3.cloudreve.org/manage/update/cong-3.x.x-sheng-ji.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.