No, don't worry. Because he wants to steal your paper, he must find a buyer. Paper belongs to something with strong personality and irregularities. How can he just find a client who can satisfy your thesis? Basically he can't find it. Besides, whether people buy it or not is another matter. So, don't worry about being stolen. If you have nothing to do, you can go to Tao Tao Paper Network to read the anti-fraud knowledge published in the newspaper.