> For the complete documentation index, see [llms.txt](https://support.omia.com.tw/support/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.omia.com.tw/support/ping-tai-cao-zuo-ji-fu-kuan-fang-shi/dai-fu-kuan-ding-dan-ru-he-gai-bian-fu-kuan-fang-shi.md).

# 待付款訂單，如何改變付款方式？

未在系統指定期限內付款，付款資訊便會失效。待付款訂單失效後，請學員重新選擇付款方式，進行付款。