This research is supported by the National Natural Science Foundation of China under Grant No. 61572174, Hunan Province Special Funds of Central Government for Guiding Local Science and Technology Development No. 2018CT5001, Hunan Provincial Natural Science Foundation of China with Grant No. 2019JJ60004, the Science and Technology Plan Project of Hunan Province No. 2016TP1020, and Subject Group Construction Project of Hengyang Normal University No. 18XKQ02.