[Site]: 切换中文语言后，规范栏下文档没有翻译，同时导航栏Users也没有翻译

[Eomnational]

Current State

Description of the current state:
切换中文语言后，规范栏下文档没有翻译，同时导航栏Users也没有翻译
Link to the wensite page, allow developers to better understand the problem:
https://fury.apache.org/zh-CN/docs/specification/fury_xlang_serialization_spec
Screenshots (if relevant):

Desired State

Description of the change you are proposing:

Would you like to fix this issue?

Yes! Please assign to me!