# DeCard 信用卡如何还款？

DeCard 持卡人可在任何时间进行还款。如果您在账单到期日前提前还款，已还款金额将立即恢复为可用额度，您可继续消费使用。在每个账单周期结束时，系统会自动以您当期的所有还款金额抵扣账单应付金额。若仍有未清余额，您需在该账单周期内进行额外还款以完成结清。


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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/decard-xin-yong-ka-ru-he-hai-kuan.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.