What if the app can't withdraw cash? How can I complain?

You can call 123 15 to make a complaint. 1. Consumer complaints: Consumers complain by letter, fax, SMS, email, 123 15 website or go to the administrative department for industry and commerce to explain the contents and reasons of the complaint; 2. The industrial and commercial department accepts the complaint: if the complainant's matters meet the requirements, the staff of the industrial and commercial administrative department accepts the complaint and records relevant information within seven working days; Within 3.60 days, if the consumer parties agree to mediation, the administrative department for industry and commerce shall organize mediation and inform the parties of the time, place and mediator of mediation. If both parties reach an agreement, the administrative department for industry and commerce shall make a conciliation statement and put it on record.