number">${index + 1}</div>
                `;

                thumbnailsContainer.appendChild(thumbnailDiv);
            });
        }

        // 显示更新通知
        function showUpdateNotification() {
            const notification = document.createElement('div');
            notification.style.cssText = `
                position: fixed;
                top: 80px;
                right: 20px;
                background: rgba(40, 167, 69, 0.9);
                color: white;
                padding