This research is partly sponsored by the Research Foundation of Education Bureau of Hunan Province (No. 20B080), the Natural Science Foundation of Hunan Province (No. 2019JJ70010), the Hunan Provincial Natural Science Foundation of China (2020JJ4152), the Science and Technology Plan Project of Hunan Province (2016TP1020), the Hunan Province Science and Technology Project Funds (2018TP1036), and the National Scientific Research Foundation of Hunan Province Education Commission (18B367).