Enter the "user center", then click "my order" , there is a "combine order" at the buttom of the list ,"main order"combine with "follower order",the original order would not exist.
> Classification system > Online help classification > User center > Order combineEnter the "user center", then click "my order" , there is a "combine order" at the buttom of the list ,"main order"combine with "follower order",the original order would not exist.