defender有一些计划任务，还有其他一些计划任务（diskcleanup等）冷不丁跑起来可能影响业务，可以自行评估是否要关闭，powershell命令仅供参考：
Get-ScheduledTask -TaskPath "MicrosoftWindowsData Integrity Scan","MicrosoftWindowsApplicationData","MicrosoftWindowsDefrag","MicrosoftWindowsDiskCleanup","MicrosoftWindowsDiskDiagnostic","MicrosoftWindowsDiskFootprint","MicrosoftWindowsWindows Defender","MicrosoftWindowsMaintenance" 2>$null | Disable-ScheduledTask 2>$null
