> For the complete documentation index, see [llms.txt](https://docs.prevps.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.prevps.com/documentation/documentation-zh/zhang-dan-yu-ke-hu-qu.md).

# 账单 与 客户区

- [客户区](https://docs.prevps.com/documentation/documentation-zh/zhang-dan-yu-ke-hu-qu/ke-hu-qu.md): 管理服务、域名和发票的位置。
- [发票与付款](https://docs.prevps.com/documentation/documentation-zh/zhang-dan-yu-ke-hu-qu/fa-piao-yu-fu-kuan.md): 查找发票、付款并确认付款状态。
- [升级与降级](https://docs.prevps.com/documentation/documentation-zh/zhang-dan-yu-ke-hu-qu/sheng-ji-yu-jiang-ji.md): 更改现有服务的计划/资源。
- [取消与退款](https://docs.prevps.com/documentation/documentation-zh/zhang-dan-yu-ke-hu-qu/qu-xiao-yu-tui-kuan.md): 如何取消服务以及退款规则所在位置。
- [添加资金（信用余额）](https://docs.prevps.com/documentation/documentation-zh/zhang-dan-yu-ke-hu-qu/tian-jia-zi-jin-xin-yong-yue.md): 为您的帐户充值信用并使用它自动支付发票。