Acknowledgement. This work is supported by the Scientific Research Fund of Hunan Provincial Education Department (19B082), the Science and Technology Development Center of the Ministry of Education-New Generation Information Technology Innovation Project (2018A02020), the research supported by Science Foundation of Hengyang Normal University (19QD12), the Science and Technology Plan Project of Hunan Province (2016TP1020), the Application-oriented Special Disciplines, Double First-Class University Project of Hunan Province (Xiangjiaotong [2018] 469), the Hunan Province Special Funds of Central Government for Guiding Local Science and Technology Development (2018CT5001), the Subject Group Construction Project of Hengyang Normal University (18XKQ02), the First Class Undergraduate Major in Hunan Province – Internet of Things Major (Xiangjiaotong [2020] 248, No. 288).