# Page Not Found

The URL `files/3qEkWOkV3i8TpKThevSU` does not exist. This page may have been moved, renamed, or deleted.

## Suggested Pages

You may be looking for one of the following:
- [(20) 顯示產品或課程的購買次數](https://rakosell.gitbook.io/rakosell-tutorials-zh/20-xian-shi-chan-pin-huo-ke-cheng-de-gou-mai-ci-shu.md)
- [(13) 為訂閱計劃或產品提供折扣優惠](https://rakosell.gitbook.io/rakosell-tutorials-zh/13-wei-ding-yue-ji-hua-huo-chan-pin-ti-gong-zhe-kou-you-hui.md)
- [註冊 Rakosell](https://rakosell.gitbook.io/rakosell-tutorials-zh/zhu-ce-rakosell.md)
- [基本網站設定](https://rakosell.gitbook.io/rakosell-tutorials-zh/ji-ben-wang-zhan-she-ding.md)
- [(36) 綠界科技 ECPay 申請及開通教學 (台灣用戶適用)](https://rakosell.gitbook.io/rakosell-tutorials-zh/36-ljie-ke-ji-ecpay-shen-qing-ji-kai-tong-jiao-xue-tai-wan-yong-hu-shi-yong.md)

## How to find the correct page

If the exact page cannot be found, you can still retrieve the information using the documentation query interface.

### Option 1 — Ask a question (recommended)

Perform an HTTP GET request on the documentation index with the `ask` parameter:

```
GET https://rakosell.gitbook.io/rakosell-tutorials-zh/20-xian-shi-chan-pin-huo-ke-cheng-de-gou-mai-ci-shu.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.

### Option 2 — Browse the documentation index

Full index: https://rakosell.gitbook.io/rakosell-tutorials-zh/sitemap.md

Use this to discover valid page paths or navigate the documentation structure.

### Option 3 — Retrieve the full documentation corpus

Full export: https://rakosell.gitbook.io/rakosell-tutorials-zh/llms-full.txt

Use this to access all content at once and perform your own parsing or retrieval. It will be more expensive.

## Tips for requesting documentation

Prefer `.md` URLs for structured content, append `.md` to URLs (e.g., `/rakosell-tutorials-zh/20-xian-shi-chan-pin-huo-ke-cheng-de-gou-mai-ci-shu.md`).

You may also use `Accept: text/markdown` header for content negotiation.