personal account can't search files

hello，recently I found that personal account can't search files by GET /me/drive/root/search(q='{search-text}') . I am sure the target file exist in OneDrive. I can access it by GET /me/drive/root/children. is anyone know why and how can I solve it?

here are my personal account testing result screenshot:

the folder named "Documents" is exist.

and the search result is a empty array

also, here are communications records in Microsoft Q&A：

https://learn.microsoft.com/zh-cn/answers/questions/2133894/onedrive-rest-api