China's National Social Science Research Grant project: Statistical Research on the Law of International Linkage of China's Business Cycle [16BTJ025]; Research on the Construction Path and Evaluation Mechanism of College Double Innovation Education Ecosystem, Key Research Projects of Higher Education in Jilin Province [JGJX2020C108]; 2020 Shanghai Philosophy and Social Science Youth Project: Shanghai's producer service industry global value chain supply chain status assessment and promotion optimization research [2020EJB013]; Research on high quality development of manufacturing industry in Jilin Province,Key projects of Jilin Province Social Science Foundation Projects in 2021