领取20%25E5%25AF%25B8%25E8%25A1%258C%25E6%259D%258E%25E7%25AE%25B1%25E4%25BF%259D%25E6%258A%25A4%25E5%25A5%2597%25E9%2580%258F%25E6%2598%258E优惠券时，请详细阅读优惠券的使用规则。