HarmonyOS 鸿蒙Next中present跳转返回后，点击事件不响应

代码如下，麻烦看下是什么问题，谢了 : )

MainAbilitySlice.java

package cn.kf156.testapp.slice;

import cn.kf156.testapp.ResourceTable;
import cn.kf156.testapp.SecondAbility;
import ohos.aafwk.ability.AbilitySlice;
import ohos.aafwk.content.Intent;
import ohos.aafwk.content.Operation;
import ohos.agp.components.Button;
import ohos.agp.components.Component;

public class MainAbilitySlice extends AbilitySlice {

    private Button button;

    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        System.out.println("onStart");
        setUIContent(ResourceTable.Layout_main_layout);
        initView();
    }

    private void initView() {
        button = (Button) findComponentById(ResourceTable.Id_button);
        System.out.println("button " + (button != null));
        if (button != null) {
            // 为按钮设置点击回调
            button.setClickedListener(new Component.ClickedListener() {
                @Override
                public void onClick(Component component) {
                    System.out.println("button.onClick");
                    // startAbility();
                    present(new SecondAbilitySlice(), new Intent());
                }
            });
        }
    }

    private void startAbility() {
        Intent secondIntent = new Intent();
        // 指定待启动FA的bundleName和abilityName
        Operation operation = new Intent.OperationBuilder()
            .withDeviceId("")
            .withBundleName(getBundleName())
            .withAbilityName(SecondAbility.class.getName())
            .build();
        secondIntent.setOperation(operation);
        startAbility(secondIntent); // 通过AbilitySlice的startAbility接口实现启动另一个页面
    }

    @Override
    public void onActive() {
        super.onActive();
        System.out.println("onActive");
    }

    @Override
    public void onForeground(Intent intent) {
        super.onForeground(intent);
        System.out.println("onForeground");
    }
}

main_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<DependentLayout xmlns:ohos="http://schemas.huawei.com/res/ohos"
    ohos:width="match_parent"
    ohos:height="match_parent"
    ohos:background_element="#000000">

    <Text
        ohos:id="$+id:text"
        ohos:width="match_content"
        ohos:height="match_content"
        ohos:center_in_parent="true"
        ohos:text="Hello World"
        ohos:text_color="white"
        ohos:text_size="32fp"/>

    <Button
        ohos:id="$+id:button"
        ohos:width="match_content"
        ohos:height="match_content"
        ohos:text_size="19fp"
        ohos:text="Next"
        ohos:top_padding="8vp"
        ohos:bottom_padding="8vp"
        ohos:left_padding="80vp"
        ohos:right_padding="80vp"
        ohos:text_color="white"
        ohos:background_element="$graphic:button_element"
        ohos:center_in_parent="true"
        ohos:bottom_margin="10vp"
        ohos:align_parent_bottom="true"/>
</DependentLayout>

SecondAbilitySlice.java

package cn.kf156.testapp.slice;

import ohos.aafwk.ability.AbilitySlice;
import ohos.aafwk.content.Intent;
import ohos.agp.colors.RgbColor;
import ohos.agp.components.DependentLayout;
import ohos.agp.components.Text;
import ohos.agp.components.element.ShapeElement;
import ohos.agp.utils.Color;

import static ohos.agp.components.ComponentContainer.LayoutConfig.MATCH_PARENT;
import static ohos.agp.components.ComponentContainer.LayoutConfig.MATCH_CONTENT;

public class SecondAbilitySlice extends AbilitySlice {

    @Override
    public void onStart(Intent intent) {
        super.onStart(intent);
        // 声明布局
        DependentLayout myLayout = new DependentLayout(this);
        // 设置布局大小
        myLayout.setWidth(MATCH_PARENT);
        myLayout.setHeight(MATCH_PARENT);
        ShapeElement element = new ShapeElement();
        element.setRgbColor(new RgbColor(0, 0, 0));
        myLayout.setBackground(element);

        // 创建一个文本
        Text text = new Text(this);
        text.setText("Nice to meet you.");
        text.setWidth(MATCH_PARENT);
        text.setTextSize(55);
        text.setTextColor(Color.WHITE);
        // 设置文本的布局
        DependentLayout.LayoutConfig textConfig = new DependentLayout.LayoutConfig(MATCH_CONTENT, MATCH_CONTENT);
        textConfig.addRule(DependentLayout.LayoutConfig.CENTER_IN_PARENT);
        text.setLayoutConfig(textConfig);
        myLayout.addComponent(text);

        super.setUIContent(myLayout);
    }

    @Override
    public void onActive() {
        super.onActive();
    }

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