You can brush the subway when you enter the station, but you can't brush it when you leave. Then the staff gave me a card to let me out of the station. How to deduct?

The method is as follows: swipe your card at the entrance, swipe your card at the exit, and deduct the fee for ticket replacement.

1, swipe your card to enter the subway station, and you need to put a boarding card (such as a smart card and a traffic card). ) swipe your card on the card reader, and the system will automatically deduct the corresponding fees and record the boarding information.

2. Swipe abroad: After arriving at the destination, you need to put your boarding pass on the card reader at the exit again, and the system will automatically calculate the boarding distance and deduct the corresponding fees according to the card swiping record.

3. Refund fee: When leaving the station, it is found that the credit card is unsuccessful, and the subway staff will have a temporary exit card.