//搬运器状态 message Carrier_status { E_CARRIER_ E_CARRIER_UNKNOW = 0; //未知 E_CARRIER_READY = 1; //准备,待机 E_CARRIER_STORE = 2; //正在存车 E_CARRIER_PICKUP = 3; //正在取车 E_CARRIER__FAULT = 4; //故障 }