双击jtable中的图像图标会使imageicon消失

import javax.swing.*;
import javax.swing.event.MouseInputAdapter;
import java.awt.*;
import java.awt.event.MouseEvent;

public class ImageDisappearingTable extends JFrame {
    private JTable table;
    private MyTableModel tableModel;

    public ImageDisappearingTable() {
        // 创建表格模型
        tableModel = new MyTableModel();

        // 创建JTable并设置模型
        table = new JTable(tableModel);

        // 添加鼠标双击事件监听器
        table.addMouseListener(new MouseInputAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                if (e.getClickCount() == 2) {
                    int row = table.rowAtPoint(e.getPoint());
                    int column = table.columnAtPoint(e.getPoint());

                    // 判断被双击的单元格是否包含图像图标
                    if (tableModel.getValueAt(row, column) instanceof ImageIcon) {
                        // 将图像图标设置为null，即消失
                        tableModel.setValueAt(null, row, column);
                    }
                }
            }
        });

        // 将JTable添加到窗口中
        getContentPane().add(new JScrollPane(table));

        // 设置窗口属性
        setTitle("Image Disappearing Table");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        pack();
        setLocationRelativeTo(null);
        setVisible(true);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(ImageDisappearingTable::new);
    }

    // 自定义表格模型
    private class MyTableModel extends AbstractTableModel {
        private Object[][] data = {
                {new ImageIcon("image1.jpg"), "Cell 1"},
                {new ImageIcon("image2.jpg"), "Cell 2"},
                {new ImageIcon("image3.jpg"), "Cell 3"}
        };
        private String[] columnNames = {"Image", "Text"};

        @Override
        public int getRowCount() {
            return data.length;
        }

        @Override
        public int getColumnCount() {
            return columnNames.length;
        }

        @Override
        public Object getValueAt(int row, int column) {
            return data[row][column];
        }

        @Override
        public void setValueAt(Object value, int row, int column) {
            data[row][column] = value;
            fireTableCellUpdated(row, column);
        }

        @Override
        public String getColumnName(int column) {
            return columnNames[column];
        }

        @Override
        public Class<?> getColumnClass(int column) {
            return getValueAt(0, column).getClass();
        }

        @Override
        public boolean isCellEditable(int row, int column) {
            return true;
        }
    }
}