# 如何创建档案
当您首次登录后时，将显示档案的创建指南。
#### 什么是档案？
档案是要分析的网站或网站组。在Ptengine中，根据计划，您可以在一个项目中注册多个域名的网站，以便更广泛地进行分析。此外，您还可以邀请浏览用户和管理用户，并对每个项目进行设置。不同的项目具有不同的Ptengine采集代码。相反，如果是在同一项目中进行采集，则使用相同的代码。
**注意**如果您希望对所有域名进行分开测量，建议将每一个域名设置为一个独立的档案。如果您希望查看所有域名的综合数据，则可以在一个档案中设置多个域名。
**切换档案：**
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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://helps.ptengine.com/cn/start-guide/quick/create-project.md?ask=
```
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.