def users(time_unit, start, duration)
      start = start.strftime(TIME_FORMAT[time_unit.downcase.to_sym])
      duration = build_duration(time_unit.downcase.to_sym, duration)
      params = {
        time_unit: time_unit.upcase,
        start: start,
        duration: duration
      }
      url = base_url + '/users'
      Http::Client.get(@jpush, url, params: params)
    end
def users(time_unit, start, duration)
      start = start.strftime(TIME_FORMAT[time_unit.downcase.to_sym])
      duration = build_duration(time_unit.downcase.to_sym, duration)
      params = {
        time_unit: time_unit.upcase,
        start: start,
        duration: duration
      }
      url = base_url + '/users'
      Http::Client.get(@jpush, url, params: params)
    end
GET /v3/users
 用户统计