Collect evidence, communicate, alarm, etc. Chengdu Bartender Apprentice 600 deposit fraud, collecting all evidence related to the fraud, including payment vouchers, contracts, conversation record, etc. Try to contact Chengdu Bartender Apprenticeship Institution or the individuals involved to explain the situation and ask for a refund of the deposit. If communication with the other party fails, seek the help of consumer protection organizations or relevant departments. If the amount involved is large or criminal acts are involved, you can consider reporting the case to the police and let the police intervene in the investigation.