请求地址 https://api.weixin.qq.com/card/create?access_token=xxxxq

关键参数：background_pic_url

不传这个参数就不报错

请求内容：

{
  "card": {
    "card_type": "MEMBER_CARD",
    "member_card": {
      "background_pic_url": "http://mmecoa.qpic.cn/mmecoa_jpg/giajOzc8ZRtbibicMzZc0dBiaMsAiaczmoZ0XeUvb1IyqH94zJ0oJDhjM5BJJVMSdVXlXHicUhC2k98Qt3RDudgQbccw/0?from=appmsg",
      "supply_bonus": false,
      "supply_balance": false,
      "prerogative": "使用时出示此卡",
      "auto_activate": false,
      "wx_activate": true,
      "wx_activate_after_submit": true,
      "wx_activate_after_submit_url": "https://pos.flyhand.com/e5748/m/card_submit",
      "custom_field1": {
        "name_type": "FIELD_NAME_TYPE_COUPON",
        "url": "https://pos.flyhand.com/e5748/m/coupons?rid=16028"
      },
      "custom_field2": {
        "name": "积分",
        "url": "https://pos.flyhand.com/e5748/m/credit_center?rid=16028"
      },
      "custom_field3": {
        "name_type": "FIELD_NAME_TYPE_LEVEL",
        "url": "https://pos.flyhand.com/e5748/m/card?rid=16028"
      },
      "base_info": {
        "logo_url": "http://mmecoa.qpic.cn/mmecoa_jpg/giajOzc8ZRtbibicMzZc0dBiaMsAiaczmoZ0XeUvb1IyqH94zJ0oJDhjM5BJJVMSdVXlXHicUhC2k98Qt3RDudgQbccw/0?from=appmsg",
        "brand_name": "御品四季大酒楼",
        "code_type": "CODE_TYPE_NONE",
        "title": "上传图片分组",
        "color": "Color010",
        "notice": "使用时出示此卡",
        "description": "",
        "date_info": {
          "type": "DATE_TYPE_PERMANENT"
        },
        "sku": {
          "quantity": 100000000
        },
        "use_custom_code": false,
        "bind_openid": false,
        "service_phone": "0769-82682888",
        "use_all_locations": false,
        "center_title": "快速买单",
        "center_url": "https://pos.flyhand.com/e5748/m/choose_restaurant?rid=16028&type=CARD&showBarCode=true",
        "custom_url_name": "我的会员卡",
        "custom_url": "https://pos.flyhand.com/e5748/m/choose_restaurant?rid=16028&type=CARD",
        "can_share": false,
        "can_give_friend": false,
        "get_limit": 1,
        "need_push_on_view": false
      }
    }
  }
}

响应：

{"errcode":40141,"errmsg":"invalid image url hint: [2fCOuA03976013]"}