# 如何换卡？

只有持有实体卡的用户才能进行换卡。

1. 进入您想更换卡片的卡片设置页面。
2. 在设置项中有“换卡”的选项。
3. 点击进入后，您可以根据页面提示，提交更换卡片的申请。

<div><figure><img src="/files/J6NEw9GtpCvEpBzMtOHv" alt="" width="375"><figcaption></figcaption></figure> <figure><img src="/files/CdSDXTHMNEBjilvs7SHn" alt="" width="375"><figcaption></figcaption></figure></div>


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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://help.thedecard.com/tong-yong-wen-ti/ru-he-huan-ka.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.