64位xp上java Runtime.exec无法正常运行的问题

package com.dongjak.test;

import java.io.IOException;

public class Test {
    public static void main(String[] args) {
        // ProcessUtils.shutdown(1);
        Runtime runtime = Runtime.getRuntime();
        try {
            runtime.exec("shutdown -f -s -t 1");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

}