This work is partially supported by the National Natural Science Foundation of China (nos. 71501069, 71420107027, 71871030), the Hunan Provincial Natural Science Foundation of China (nos. 2015JJ3090, 2017JJ3330), the Scientific Research Project of Hunan Provincial Education Department (no. 18A037, 18B128).☆ This work is partially supported by the National Natural Science Foundation of China (nos. 71501069, 71420107027, 71871030), the Hunan Provincial Natural Science Foundation of China (nos. 2015JJ3090, 2017JJ3330), the Scientific Research Project of Hunan Provincial Education Department (no. 18A037, 18B128).