感觉要三十号以后才行。因为官网上还是450年费,term里面也没有改,所以根据amex的faq来看,还是要等3.30 Effective March 30th, 2017, eligible Platinum Card Members will receive the new benefits.---https://origin-gem.americanexpress.com/us/credit-cards/features-benefits/platinum/frequently-asked-questions/