1. School of Mathematical Science & Institute of Mathematics, Nanjing Normal University, Nanjing, 210023, P. R. China
2. School of Math and Statistics, Fuzhou University, Fuzhou, 350108, P. R. China
3. Faculty of Management, University of New Brunswick, Fredericton, New Brunswick, Canada, E3B 5A3, Canada
4. School of Computer and Data Science, Fuzhou University, Fuzhou, 350108, P. R. China