首先尝试将Spotlight的图片文件夹删除再恢复更新。
如果不行，尝试重装Spotlight这个应用来试试.
1.按Windows+S后输入Windows powershell,右键选择管理员运行。
2.在PowerShell中输入下面命令:
Add-AppxPackage –disabledevelopment –register C:\Windows\SystemApps\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\Appxmanifest.xml
回车，然后再进设置将锁屏壁纸重新设为锁屏聚焦，重启电脑。
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