supported by grants from the First Batch of Scientific Research Projects of Chongqing Yuzhong District in 2020(No.20200112);Chongqing Graduate Scientific Research Innovation Project,China(No.CYS19204);Chongqing Natural Science Foundation(No.cstc2014jcyj A10024);Doctoral Scientific Fund Project of the Ministry of Education of China(No.20125503120015);Chongqing Education Commission(No.CY170402)。