everlight.eap/backend/WebApplet/Models/SampleStandard.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace WebApplet.Models
{
    public class SampleStandard
    {
        public string code { get; set; }
        public string msg { get; set; }
        public Para data
        {
            get; set;
        }
    }
}