In this case, college students can negotiate with the operators or appeal to the relevant administrative departments.

1. Negotiate with the operator: As consumers, college students can negotiate with the operator to solve problems, such as showing the goods they bought to the operator, ensuring that they are fakes, and giving certain compensation after the other party agrees.

Complain to the relevant administrative department: when the problem cannot be solved through consultation with the operator, college students can complain to the relevant administrative department, tell them that the purchased things have quality problems, and then tell which operator sold them, so that the administrative department can help them defend their rights.