使用说明：

Instructions:

1. 点击"开始测试"按钮启动监测
2. 在右侧的测试区域内上下滚动鼠标
3. 尝试保持一个方向的滚动（向上或向下）
4. 如果滚动方向与预期相反，系统会记录为"回滚"故障
5. 您可以查看统计数据和详细日志来分析鼠标滚轮的状况

1. Click the "Start Test" button to begin monitoring
2. Scroll up and down in the test area on the right
3. Try to maintain scrolling in one direction (up or down)
4. If the scroll direction changes unexpectedly, the system will record it as a "backscroll" malfunction
5. You can view statistics and detailed logs to analyze your mouse wheel's condition