2. Unreasonable shelf capacity and personnel arrangements, on the one hand, lead to too long queue time, on the other hand, some self-pickup resources are idle for a long time;
2. Shelf capacity and personnel arrangements are unreasonable, on the one hand, resulting in long queues, on the other hand, some self-mentioned resources idle for a long time;
2. Unreasonable shelf capacity and personnel arrangement, on the one hand, lead to long queuing time, and on the other hand, some pick-up point resources are idle for a long time;