领取%25E6%2583%25A0%25E6%2599%25AE%25E6%2589%2593%25E5%258D%25B0%25E6%259C%25BA2721%25E5%25A2%25A8%25E6%25B0%25B4优惠券时，请详细阅读优惠券的使用规则。