“…Complex network is a kind of abstract model to understand the complex system in the real world, which abstracts the entities in the complex system into nodes and the relationship between entities into connections, and it has been applied to many practical fields such as computer networks [ 7 ], technological [ 8 ] and climate networks [ 9 ]. Complex network analysis has been applied to supply and demand in various fields[ 10 , 11 ] due to its ability to identify supply and demand from a global perspective.…”