public void chanqe()
        {
            for (int i = 0; i < man.Number.Length; i++)
            {
                Console.WriteLine("请输入您的账号:");
                int number = int.Parse(Console.ReadLine());
                if (man.Number[i] == number)
                {
                    Console.WriteLine("请输入您要转账的账号:");
                    int chaneqNmuber = int.Parse(Console.ReadLine());
                    if (man.Number.Equals(ChaneqNmuber))
                    {
                        Console.WriteLine("请输入您要转账的金额:");
                        int chaneqMoney = int.Parse(Console.ReadLine());
                        double money = man.Money2[i];
                        double leavinps = money - chaneqMoney;
                        man.Money2[i] = leavinps;
                    }
                }
                else
                {
                    Console.WriteLine("账号输入错误");
                }
            }
        }
执行到这了就出问题了 不明白