Location inventory problem is not only of great significance in integrated logistics system research, but also an important management decision that every logistics company has to make. Based on the characteristics of returns without quality defect which can re-enter the sales channels after a simple repackaging process in e- commerce environment, we propose a location inventory problem model with backhauls and stochastic demand, in which the facility location and inventory control are observed simultaneously. Given the complexity of the LIP model, the paper designs an improved hybrid adaptive...