Smart community is the outcome of digital technology applied comprehensively in the overall process of grass-root governance,which results in dual transformation of the structure and process of social governance.In China,urban grass-root governance ever depends on street-community system;with decentralization of management,street and community both get involved in structural and functional imbalance.On the one hand,the development of smart community restructures the relation between multiple subjects of governance,and promotes the construction of governance community;on the other hand,smart co...