Ask Unicom how to refund the bill and how to refund it.

Hello, because the information you provided is unknown, if you intend to cancel the order of Unicom's online business hall and apply for a refund, you can log in to Unicom's online business hall, enter My Unicom > My Order, and then cancel the order and apply for a refund according to the page prompts. If you have any questions, please contact the shopping guide in the mall for consultation, depending on the actual situation.