[CORS Problem]Same API, different file give different header response

Hi. Anyone know about this?

  • the api path is the same.
  • same cors policy
  • upload 2 PDF file ( different file )

The one is didn’t return the cors header, and the other one is okay. I don’t understand why. I think it’s from Cloudflare because of the message
image

Hope anyone know the solution to this. Thanks

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