The replenishment order is the original order of the merchant. On this basis, the buyer has added new demands, and the added orders are replenishment orders. Supplementary order refers to the behavior of adding orders when there are defects or defects in a business, which is a common behavior in commercial activities, and its main purpose is to make the transaction between the two parties more complete and ideal. "Merchants" refer to businesses with physical business premises, such as knowledge marketing, online marketing, green marketing, personalized marketing, innovative marketing, integrated marketing, consumer alliance marketing, chain marketing, big marketing, green marketing, entertainment marketing and other marketing businesses. There are many kinds of businesses on the ground, such as wedding, education, medical care, fitness, auto market, parent-child, dessert, coffee, beauty, manicure, hairdressing, media, housekeeping, art museum, pet, entertainment, home, jewelry, fashion shop, shopping, supermarket, specialty, scenic spot, bookstore, cinema, door-to-door company, intermediary, travel and ticket agent.