This study was supported by a grant from the National Science Foundation of China (no. 31902294), the Planned Programme of Hunan Province Science and Technology Innovation (grant no. 2018RS3085), the Training Programme for Excellent Young Innovators of Changsha (grant no. KH2002001), the Natural Science Foundation of Hunan Province, China (no. 2020JJ5230), and the Research Foundation of the Education Bureau of Hunan Province, China (no. 19A235).