公众号微信会员卡 通过创建会员卡接口创建，如何把有效期设置为激活后一年？
https://developers.weixin.qq.com/doc/offiaccount/Cards_and_Offer/Membership_Cards/Create_a_membership_card.htmlhttps://developers.weixin.qq.com/doc/offiaccount/Cards_and_Offer/Membership_Cards/Create_a_membership_card.html
