height="20">
                            <path fill="currentColor" d="M19,4H15.5L14.5,3H9.5L8.5,4H5V6H19M6,19A2,2 0 0,0 8,21H16A2,2 0 0,0 18,19V7H6V19Z"/>
                        </svg>
                    </button>
                </div>

                <button id="exit-edit-mode-btn" class="icon-button" title="退出编辑模式">
                    <svg viewBox="0 0 24 24" width="24" height="24">
                        <path fill="currentColor" d="M7,6C7,5.4 7.4,5 8,5H16V7H8V17H16V19H8C7.4,19 7,18.6 7