A few days' notice of France's refusal.

There will be no advance notice, and so many visa applicants can't notice it every day. Until you get your passport, you won't know whether you have signed a visa or been refused a visa. The embassy did not inform the applicant whether to refuse the service.

If the visa is refused, a letter of refusal will be attached to the passport, saying that it is a letter of refusal. In fact, it is a piece of A4 paper, which explains the result of your visa refusal and the reason why you refused because you didn't meet the requirements, that is, the reason why you refused is more general, but the real reason for your visa refusal still needs to be analyzed by yourself. I don't know if you know this, but there is an unclear recommendation website.