It's Thursday afternoon, and the head of the card business calls you: 'Slip one more change into Saturday's release: waive the annual fee if a customer spends $500 in the statement cycle. It's just an if-statement, so skip the change board.' That logic would hit the billing of two million accounts. What do you do?

周四下午，信用卡业务负责人打电话给你，要你在周六上线的版本里顺手加一个改动：账单周期内消费满 500 美元就免年费。他说「就是一个 if 判断，别走变更委员会了」。这个逻辑会影响 200 万个账户的账单。你怎么办？