One is to get a fake resignation certificate, which is generally not verified. The other is to hand in the resignation certificate directly. The verifier may not be that serious. If you fail, tell the truth, say that you will go back to your hometown in the past six months and then look for a job. Some companies are very strict, and he must have a certificate of resignation. You can also try to say that you can't find the separation certificate first. If the company still insists, show the resignation certificate to the above two people.