This paper is a project granted by the National Social Science Fund of China,"Research on the Mechanism of Digital Technology Innovation in Driving the Deep Integration of the Modern Service Industry and Advanced Manufacturing Industry"(21BJY144),the 2020 Philosophy and Social Sciences Planning Project of Guangdong Province,"Research on Industrial Division and Coordinated Development Mechanism in the Guangdong-Hong Kong-Macao Greater Bay Area"(GD20XYJ12),and one of the results of the key project,"Study on the Mechanism and Effect of Collaborative Agglomeration of Producer Services and the Manufacturing Industry in the Guangdong-Hong Kong-Macao Greater Bay Area"(2019WZDXM029). （21BJY144）