We are grateful to the NNSFC (Nos. 21622201, 21472058, 21472057, and 21772053), the Distinguished Youth Foundation of Hubei Province (No. 2016CFA050), the Science and Technology Department of Hubei Province (2017AHB047), and CCNU (Nos. CCNU17TS0011 and CCNU16JCZX02) for support of this research. The Program of Introducing Talents of Discipline to Universities of China (111 Program, B17019) is also appreciated.