While real-time scanning files on the server time to time with the local paper compared to scan documents, the best server and the local system the difference in time will not be too outrageous.

• 实时扫描则以服务器上文件时间与本地文件时间进行对比来扫描文件，因此最好服务器和本地系统时间相差不要太离谱。