> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://granite.mightystone.help/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# 托运人  > 为什么需要入职?

平台将卖家视为关联账户,以便及时付款。