You change the remaining work to 20 hours. Scrum is concerned with the actual work remaining, not whether the original estimate was right. That's important, but it's not explicitly part of Scrum.
If this threatens your ability to deliver on your commitment, then you need to discuss solutions with your team and possibly also the product owner. Perhaps:
A teammate might have a simpler solution.
Other tasks were overestimated and you can still deliver everything.
The product owner might decide it's not worth the effort.
Sprint planning was rushed and the sprint should be declared a failure and restarted.
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您将剩余工作时间更改为 20 小时。 Scrum 关心的是剩余的实际工作，而不是最初的估计是否正确。这很重要，但它并不是 Scrum 的明确组成部分。
如果这威胁到您兑现承诺的能力，那么您需要与您的团队（可能还包括产品负责人）讨论解决方案。也许：
You change the remaining work to 20 hours. Scrum is concerned with the actual work remaining, not whether the original estimate was right. That's important, but it's not explicitly part of Scrum.
If this threatens your ability to deliver on your commitment, then you need to discuss solutions with your team and possibly also the product owner. Perhaps: