public void pop() {
		synchronized (store) {
			while (count == 0) {
				try {
					System.out.println("仓库已空");
					store.wait();
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
			int id = store.removeLast();
			count--;
			System.out.println("消费：" + id);
			store.notifyAll();
		}
	}