HarmonyOS鸿蒙Next中练习ServiceAbility时出现连接service的问题

HarmonyOS鸿蒙Next中练习ServiceAbility时出现连接service的问题 在练习ServiceAbility的时候发现，在连接后台运行的service,打印日志表示连接成功也能进入到service返回RemoteObject对象的方法中，可是连接成功后为什么没有回调onAbilityConnectDone

以下是我的代码

pageAbility:

public class ForthAbilitySlice extends AbilitySlice {

    private DirectionalLayout myLayout = new DirectionalLayout(this);
    private Intent serviceIntent;

    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        super.setUIContent(ResourceTable.Layout_forth_layout);
        //启动FirstServiceAbility
        serviceIntent = new Intent();
        serviceIntent.setParam("test","hehhehehe");
        Operation operation = new Intent.OperationBuilder()
            .withDeviceId("")
            .withBundleName("com.example.myapplication")
            .withAbilityName("com.example.myapplication.FirstServiceAbility")
            .build();
        serviceIntent.setOperation(operation);
        startAbility(serviceIntent);
    }

    @Override
    public void onActive() {
        System.out.println("我进来了");
        Intent resultIntent = new Intent();
        resultIntent.setParam("myname","lily");
        setResult(resultIntent);
        //获取Service服务，并对Service服务进行操作
        // 创建连接回调实例
        IAbilityConnection connection = new IAbilityConnection() {
            // 连接到Service的回调
            @Override
            public void onAbilityConnectDone(ElementName elementName, IRemoteObject iRemoteObject, int resultCode) {
                // 在这里开发者可以拿到服务端传过来IRemoteObject对象，从中解析出服务端传过来的信息
                System.out.println("我拿到了IRemoteObject对象了么-------:"+iRemoteObject);
                String interfaceDescriptor = iRemoteObject.getInterfaceDescriptor();
            }

            // 断开与连接的回调
            @Override
            public void onAbilityDisconnectDone(ElementName elementName, int resultCode) {
                System.out.println("我断开了链接");
            }
        };
        // 连接Service
        System.out.println("****connection:"+connection);
        boolean flag = connectAbility(serviceIntent, connection);
        System.out.println("我是否已经链接上了service:"+flag);
        //回退按钮
        Button backButton=(Button) findComponentById(ResourceTable.Id_back_button);
        backButton.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
                System.out.println("我回退了");
            }
        });
        //播放按钮
        Button palyButton=(Button) findComponentById(ResourceTable.Id_paly_button);
        palyButton.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
                System.out.println("我播放了");
            }
        });
        //前进按钮
        Button goonButton=(Button) findComponentById(ResourceTable.Id_goon_button);
        goonButton.setClickedListener(new Component.ClickedListener() {
            @Override
            public void onClick(Component component) {
                System.out.println("我前进了");
            }
        });
    }

    @Override
    protected void onBackPressed() {
        System.out.println("我点击了返回按钮");
        setResult(new Intent().setParam("myname","lilay"));
        super.onBackPressed();
    }

    @Override
    public void onForeground(Intent intent) {
        super.onForeground(intent);
    }
}

ServiceAblility：

public class FirstServiceAbility extends Ability {

    private static final HiLogLabel LABEL_LOG = new HiLogLabel(3, 0xD001100, "Demo");

    @Override
    public void onStart(Intent intent) {
        HiLog.error(LABEL_LOG, "FirstServiceAbility::onStart");
        HiLog.info(LABEL_LOG, "info-FirstServiceAbility::onStart");
        HiLog.debug(LABEL_LOG, "debug-FirstServiceAbility::onStart");
        System.out.println("我进入到了Service");
        System.out.println("传进来intent的对象："+intent);
        super.onStart(intent);
    }

    @Override
    public void onBackground() {
        super.onBackground();
        HiLog.info(LABEL_LOG, "FirstServiceAbility::onBackground");
    }

    @Override
    public void onStop() {
        super.onStop();
        HiLog.info(LABEL_LOG, "FirstServiceAbility::onStop");
    }

    @Override
    public void onCommand(Intent intent, boolean restart, int startId) {
    }

    @Override
    public IRemoteObject onConnect(Intent intent) {
        System.out.println("进入到了IRemote的对象中");
        super.onConnect(intent);
        return new MyRemoteObject();
    }

    @Override
    public void onDisconnect(Intent intent) {
        super.onDisconnect(intent);
    }
}