1. School of Big Data and Artificial Intelligence, Guangxi University of Finance and Economics, Nanning 530003, China
2. Guangxi Big Data Analysis of Taxation Research Center of Engineering, Nanning 530003, China
3. School of Electronic Information, Guangxi Minzu University, Nanning 530006, China
4. School of Electrical and Information Engineering, Tianjin University, Weijin Road, Tianjin 300072, China