adjustment of platform rules. The contractors who are hungry are mainly catering businesses. When businesses join the Hungry Platform, they can help businesses get more orders and revenues. The competition in the catering industry is fierce. Therefore, what contractors are most afraid of is the adjustment of rules by the platform. Once the rules are adjusted by the platform, it will lead to a decline in sales of businesses, which will affect revenue and operation. Hungry is one of the leading online ordering platforms in China, where users can order take-away, food delivery and other services.