./src/redis-trib.rb add-node 114.55.116.177:8013 114.55.116.177:8001 (新增集群8013master节点)
./src/redis-trib.rb reshard 114.55.116.177:8013(为8013master节点重新分配slot)
./src/redis-trib.rb check 114.55.116.177:8004 (重新check检查集群,8001节点减少1500个slots,8013节点增加1500个slot)