修复入参校验

src/Hotline.Application.Contracts/Validators/CallCenter/StartEndTimeDtoValidator.cs

@@ -41,8 +41,8 @@ public class QueryCallListDtoValidator : AbstractValidator<QueryCallListDto>
 {
     public QueryCallListDtoValidator()
     {
-        RuleFor(d => d.StartTime).NotEmpty();
-        RuleFor(d => d.EndTime).NotEmpty();
+        RuleFor(d => d.StartTime).Must(m => m != default(DateTime)).WithMessage("请选择开始时间");
+        RuleFor(d => d.EndTime).Must(m => m != default(DateTime)).WithMessage("请选择结束时间"); ;
     }
 }