Advanced advanced programmers must know and master Or else, stupid

    Business code , Go one by one , Although I can't understand it at first , But too much , I can always understand , isn't it? ！ 

I have to go to see it , Otherwise , This is the scope of your job ！

using System;
using System.Collections.Generic;
using System.Linq;
using Infrastructure;
using OpenAuth.App.Interface;
using OpenAuth.App.Request;
using OpenAuth.Repository;
using OpenAuth.Repository.Domain;
using OpenAuth.Repository.Interface;

namespace OpenAuth.App
{
    public class OrgManagerApp : BaseTreeApp<SysOrg,OpenAuthDBContext>
    {
        private RevelanceManagerApp _revelanceApp;
        /// <summary>
        ///  Add Department 
        /// </summary>
        /// <param name="sysOrg">The org.</param>
        /// <returns>System.Int32.</returns>
        /// <exception cref="System.Exception"> The parent node information for the organization could not be found </exception>
        public string Add(SysOrg sysOrg)
        {
            var loginContext = _auth.GetCurrentU