public void Initialize(Stock.StockTrade stockTrade, IStockInfoDbService stockInfoDbService)
        {
            if (stockTrade == null)
                throw new ArgumentNullException("stockTrade");

            if (stockInfoDbService == null)
                throw new ArgumentNullException("stockInfoDbService");

            this._stockTrade = stockTrade;
            this._stockInfoDbService = stockInfoDbService;

            // 確保不會判斷昨天的資料
            if (LastGetStockInfoTime.Date != DateTime.Now.Date)
            {
                foreach (var id in stockTrade.GetAllStockId())
                    StockInfoDictionary[id] = null;
            }
        }