This paper focuses on the field of online literature publishing in the context of generative artificial intelligence，and summarizes the content production mechanism of online literature from the basic technology level and the technology application level. It discusses the structural change of online literature publishing system under the empowerment of AIGC from the reconstruction of the publishing field，migration of publishing kinetic energy， and transmutation of the publishing operation mechanism. Finally，it looks forward to the future evolution trend of online literature publishing under the context of AIGC from the perspective of the pluralism of the main body of production，production methods，production relations and ideology.