/// <summary>
        /// Post保存标签
        /// </summary>
        public async Task <bool> SaveLabelAsync()
        {
            List <VideoLabel> ids = new List <VideoLabel>();

            if (Selectlabels.Equals(videoplay.Labels.DynamicLabel))
            {
                return(true);
            }
            foreach (TypeLabel tree in staticlabel.Union(Selectlabels))
            {
                ids.AddRange(tree.Labels);
            }
            bool win = await LabelData.AddLabelToVideoAsync(videoplay.Id, ids.Select(t => t.Id).ToList());

            return(win);
        }