Research on Guiding Consumer Behavior Based on App Information Management of Fresh Food E-commerce in the Post-epidemic EraFei Lei, Yangyang Yan, Wenhao Luo, Shile Jia, Liyan Ye, Xiaoqing Huang and Anqi DengE3S Web Conf., 253 (2021) 02079DOI: https://doi.org/10.1051/e3sconf/202125302079