Win10自动下载的锁屏屏保存储位置
C:\Users\%username%\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\Assetsblog
拷贝Assets目录到其余位置如D盘，再到目录D:\Assets下，在地址栏输入cmdcmd
执行命令im
ren *.* *.pngimg
C:\Users\%username%\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\LocalState\Assetsblog
拷贝Assets目录到其余位置如D盘，再到目录D:\Assets下，在地址栏输入cmdcmd
执行命令im
ren *.* *.pngimg