1. School of Mathematics, Hunan Institute of Science and Technology, Yueyang 414006, Hunan, China and Key Laboratory of Data Science and Smart Education, Ministry of Education, and School of Mathematics and Statistics, Hainan Normal University, Haikou 571158, China
2. School of Mathematics and Statistics, Yulin Normal University, Yulin 537000, Guangxi Province, China
3. School of Mathematics and Statistics, Central South University, Changsha 410083, Hunan Province, China
4. Hunan Provincial Key Laboratory of Mathematical Modeling and Analysis in Engineering, and School of Mathematics and Statistics, Changsha University of Science and Technology, Changsha 410014, Hunan Province, China
5. Key Laboratory of Data Science and Smart Education, Ministry of Education, and School of Mathematics and Statistics, Hainan Normal University, Haikou 571158, China
6. Key Laboratory of Data Science and Smart Education, Ministry of Education, Hainan Normal University, Haikou 571158, China