财付通运通卡购买DigitalOcean发了DIVEIN10 优惠码的tickets 收到这个回复

In order to help verify your account, we'd like to request your authorization to attempt to bill your card on file.

Please respond back to this ticket with the text
"I authorize you to charge my card 5.00"

This will let us know you agree and authorize us to try charge your card.

We will try a test transaction, and if all goes well, we can unlock your account.

Thanks
Support