# 购买套餐

可根据自身需求，选择购买不同的套餐。支持续费、增加端口和更换套餐；

<figure><img src="/files/ZGBjwE9y3Cc8mW81daMn" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/Qwue5WlsceDNPawzbSJP" alt=""><figcaption></figcaption></figure>

**平台支持3种类型套餐：字符版、标准版、专业版**

字符版：按字符套餐数量收费，1个字符套餐包含150w字符。一个字符套餐可创建1个激活码，不限端口，不限时间；

标准版：在周期内按端口数量收费，不限字符，基础营销功能；

专业版：在周期内按端口数量收费，不限字符，专业营销SCRM功能；


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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://docs.chatknow.com/gong-neng-xiang-jie/chatknow-wang-zhan-hou-tai/hou-tai-shou-ye/gou-mai-tao-can.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.