研究了确定环境下带有主从零售商的供应链协调的基本模型,提出了应急环境下当需求偏差随机发生时集权和分权供应链的最优决策.证明了无论需求随机偏差存在与否都可以运用线性数量折扣合同使得供应链有效达到协调,并相应给出了最优批发单价、最优线性折扣率和转移支付的范围.最后对最优售价、最优总订货量和最优批发单价随需求偏差幅度及其概率的变化进行了仿真分析. This paper studies the basic model of supply chain coordination with retailer and retailer under certain environment and proposes the optimal decision of centralized and decentralized supply chain when the demand deviation occurs randomly in emergency environment.It is proved that whether random deviation of demand exists or not We can use the linear quantity discount contract to make the supply chain effectively achieve the coordination, and give the optimal wholesale price, the optimal linear discount rate and the range of transfer payment.Finally, the optimal price, the optimal total order quantity and the optimal The wholesale unit price is simulated and analyzed with the variation of demand deviation and its probability.