The work of the first author is supported by NSF of Hunan (No. 2020JJ6038), the Scientific Research Fund of Hunan Provincial Education Department (20A070), the Scientific Research Fund of Hengyang Normal University(No. KYZX21002), the Science and Technology Plan Project of Hunan Province (No. 2016TP1020), and the Application-Oriented Characterized Disciplines, Double First-Class University Project of Hunan Province (Xiangjiaotong [2018]469).