1. Center for Applied Mathematics of Guangxi, Yulin Normal University, Yulin, China
2. Optoelectronic Information Research Center, School of Physics and Telecommunication Engineering, Yulin Normal University, Yulin, China
3. School of Physics and Telecommunication Engineering, Yulin Normal University, Yulin, China
4. School of Chemistry and Food Science, Yulin Normal University, Yulin, China