Documentation error that I can't fix on my PR

On the Chinese documentation guide page, which is inconsistent with the English one. - [ ] 1. [常见问题](https://github.com/RSSNext/rsshub-docs/edit/main/src/zh/guide/faqs.md) On line 13, I have no clue what the correct link should be since I am unfamiliar with the codebase and don't want to guess without checking. - [ ] 2. [using Cache](https://docs.rsshub.app/joinus/advanced/use-cache#defined-in) This part I have no clue what the new code should be, seems like after you refactor everything in typescript things moved into new places - [x] 3. <img width="1156" alt="image" src="https://github.com/RSSNext/rsshub-docs/assets/7316929/222c0b9d-b8b4-4244-8bde-29cdd5d12db1"> Rest of the problem I tried my best and made a pull request here: https://github.com/RSSNext/rsshub-docs/pull/7