supported by the Science and Technology Research Program of Chongqing Education Commission(Grant No.KJZD-M202100801);the Fifth Batch of Excellent Talent Support Program of Chongqing Colleges and University(Grant No.68021900601);the Natural Science Foundation of CQ CSTC(Grant No.cstc.2018jcyjA2073);the Program for the Chongqing Statistics Postgraduate Supervisor Team(Grant No.yds183002);the Chongqing Social Science Plan Project(Grant No.2019WT59);the Open Project from Chongqing Key Laboratory of Social Economy and Applied Statistics(Grant No.KFJJ2018066);the Mathematic and Statistics Team from Chongqing Technology and Business University(Grant No.ZDPTTD201906).