This is an overdraft account card. Usually not.

be economical

At present, all banks can't register online banking by credit card, but they can register online banking by debit card and handle it at the bank.

online bank

Time is the same for you.

identity card

Something belonging to or related to someone.

Handled a number of banks.

account

You can register in online banking, so your credit card can also be registered. Therefore, you can't just use a credit card to handle online banking, but use your credit card.

debit card

Just open online banking and register a credit card (in the same bank). This is what you said: "Credit cards can't handle online banking, just hang a debit card!"