/// <summary>
        /// 更新键值对,喂一个键,喂一个值
        /// </summary>
        /// <param name="osessionId">键</param>
        /// <param name="properties">值</param>
        /// <returns>Task</returns>
        public Task Update(string osessionId, Properites properties)
        {
            var osessionMapper = InMemoryStoragebox.ForNewOrExisted().OSessionStoreMapper;

            if (!osessionMapper.ContainsKey(osessionId))
            {
                throw new KeyNotFoundException(osessionId);
            }
            osessionMapper[osessionId] = properties.ToList();
            return(Task.FromResult(0));
        }
 /// <summary>
 /// 新增一个键值对到存储中
 /// </summary>
 /// <param name="osessionId">键</param>
 /// <param name="properties">值</param>
 /// <returns>Task</returns>
 public Task Add(string osessionId, Properites properties)
 {
     InMemoryStoragebox.ForNewOrExisted().OSessionStoreMapper.Add(osessionId, properties.ToList());
     return(Task.FromResult(0));
 }