/// <summary>
        /// 添加
        /// </summary>
        private void InitOutputNode(IEnumerable <PerformGraph.AssetGroups> incoming)
        {
            //只获取第一个输出
            var item = incoming.FirstOrDefault().assetGroups.FirstOrDefault();

            //第一个key作为路径
            if (!Directory.Exists(item.Key))
            {
                Debug.LogError("不存在路径:" + item.Key);
                return;
            }

            //路径
            var rootDir      = item.Key;
            var subDirList   = Directory.GetDirectories(rootDir, "*", SearchOption.TopDirectoryOnly).ToList();
            var rootDirFiles = Directory.GetFiles(rootDir, "*", SearchOption.TopDirectoryOnly).Where((d) => !d.EndsWith(".meta"));

            if (rootDirFiles.Count() > 0)
            {
                subDirList.Add(rootDir);
            }

            //添加结束符
            for (int i = 0; i < subDirList.Count; i++)
            {
                subDirList[i] = IPath.AddEndSymbol(subDirList[i]);
            }

            //删除不存在的
            for (int i = this.groupFilterPathDataList.Count - 1; i >= 0; i--)
            {
                var gp = this.groupFilterPathDataList[0];
                if (!subDirList.Contains(gp.GroupPath))
                {
                    this.RemoveOutputNode(gp.OutputNodeId);
                }
            }


            //添加目录
            foreach (var dir in subDirList)
            {
                var ret = this.groupFilterPathDataList.Find((gf) => gf.GroupPath == dir);

                if (ret == null)
                {
                    this.AddOutputNode(dir);
                }
            }
        }