public BasicInformation(BasicInformation basicInformation) : base(basicInformation)
 {
     UserName    = basicInformation.UserName;
     Birthday    = basicInformation.Birthday;
     Gender      = basicInformation.Gender;
     Hometown    = basicInformation.Hometown;
     PhoneNumber = basicInformation.PhoneNumber;
 }
 public void Update(BasicInformation basicInformation)
 {
     UserName    = basicInformation.UserName;
     Birthday    = basicInformation.Birthday;
     Gender      = basicInformation.Gender;
     Hometown    = basicInformation.Hometown;
     PhoneNumber = basicInformation.PhoneNumber;
 }