导出为可运行的jar文件时，KeyListener不起作用

Question

所以这就是这笔交易。我正在使用eclipse来编写一个原始的太空飞行代码。当用户按空格时，它将更改为执行不同动画的不同JPanel，然后再次按空格时，它将返回到第一个JPanel。当我从日食中运行它没有任何问题，它运行完美无瑕。然后，当我将其导出为可运行的jar，然后运行它时，按空格不会做任何事情。好像它根本不会让我按空格键。

package com;

import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JPanel;

public class Runner implements KeyListener {
    int framerate = 60;
    int WIDTH,HEIGHT;
    boolean state;
    int amountOfPlanets = 1000;
    Planet[] Planets;
    Window window;
    JPanel travel,zoom,display;

    public static void main(String[] args){
        new Runner();
    }
    public Runner() {
        state = true;
        HEIGHT = 1080; WIDTH = 1920;
        window = new Window(WIDTH,HEIGHT);
        Planets = new Planet[amountOfPlanets];
        for (int i = 0; i < Planets.length; i++) {
            Planets[i] = new Planet(WIDTH,HEIGHT);
        }
        travel = new Panel(Planets,WIDTH,HEIGHT);
        window.add(travel);  
        window.addKeyListener(this);
        run();
    }
    public void run() {
        Thread thread = new Thread();
        while (thread != null) {

            update();
            repaint();

            try {
                Thread.sleep(1000/framerate);
            } catch (InterruptedException e) {}
        }
    }
    public void update() {
        if (state)
            ((Panel) travel).movePlanets();
        else {
            if (!((moveToPlanet) zoom).finished()) {
                ((moveToPlanet) zoom).movePlanets();
            }
        }
    }
    public void repaint() {
        if (state)
            travel.repaint();
        else
            zoom.repaint();
    }
    public void keyPressed(KeyEvent k) {
    }
    public void keyReleased(KeyEvent k) {
        if (k.getKeyCode() == KeyEvent.VK_SPACE) {
            if (state)
                goToPlanet();
            else 
                leavePlanet();
        }
    }
    public void keyTyped(KeyEvent k) {
    }
    public void goToPlanet() {
        Planet[] temp = ((Panel) travel).getPlanets();
        zoom = new moveToPlanet(temp,WIDTH,HEIGHT);
        temp = null;
        window.remove(travel);
        window.add(zoom);
        window.revalidate();
        state=!state;
    }
    public void leavePlanet() {
        Planet[] temp = ((moveToPlanet) zoom).getPlanets();
        temp[((moveToPlanet) zoom).p] = new Planet(WIDTH,HEIGHT);
        travel = new Panel(temp,WIDTH,HEIGHT);
        temp = null;
        window.remove(zoom);
        window.add(travel);
        window.revalidate();
        state=!state;
    }
}