WingCloudServer/Tools/SmsTool/Models/VerifyCodeModel.cs

using System;

namespace SmsTool.Models
{
    public class VerifyCodeModel
    {
        public string VerifyCode { get; set; }

        public int ValidMinutes { get; set; }

        public DateTime CreateTime { get; set; }

        public DateTime OverdueTime => CreateTime.AddMinutes(ValidMinutes);

        public bool IsOverdue => OverdueTime < DateTime.Now;
    }
}