Is the authorization amount for self-service gasoline credit cards always higher than the usual gasoline amount, such as 100, but in fact you can't add that much, maybe only 50. I received a credit card notification of a 100 online transaction, hasn't the actual gasoline fee been settled yet ?

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qo********@qq.com

I guess you go to the gas station at midnight, some of which may require you to pay first because you don't know how much to add. You can tell the counter that you don't know how much to add and let them charge you after you have added the gas.