private void AddStoreCommandTask()
        {
            Console.Write("請輸入新商店 ID(輸入cancel取消): ");
            int    storeID     = 0;
            string inputString = Console.ReadLine();

            if (inputString != "cancel")
            {
                while (inputString != "cancel" && (!int.TryParse(inputString, out storeID) || editingFactory.ContainsStore(storeID)))
                {
                    if (editingFactory.ContainsStore(storeID))
                    {
                        Console.Write("ID已存在 請輸入新商店 ID(整數)(輸入cancel取消): ");
                    }
                    else
                    {
                        Console.Write("不合法的輸入 請輸入新商店 ID(整數)(輸入cancel取消): ");
                    }
                    inputString = Console.ReadLine();
                }
                if (inputString != "cancel")
                {
                    Console.Write("請輸入商店名稱: ");
                    string storeName = Console.ReadLine();
                    editingFactory.AddStore(new Store(storeID, storeName));
                    ViewCommandTask();
                }
            }
        }