class RulingBusSetting include Mongoid::Document include Mongoid::Timestamps field :app_key, type: String, default: "" field :app_id, type: String, default: "" field :update_interval, type: Integer, default: 20 field :update_front_interval, type: Integer, default: 5 field :update_route_interval, type: Integer, default: 180 #minute end