adb devices
@echo please copy the device name of the up lines
@SET /p devices=%devices%

@SET dpath=records
@mkdir %dpath%
:one
@SET var=%date:~0,4%%date:~5,2%%date:~8,2%%time:~0,2%%time:~3,2%%time:~6,2%
adb -s %devices% shell screenrecord /sdcard/%var%.mp4
adb  -s %devices% pull /sdcard/%var%.mp4 %dpath%/
TIMEOUT /T 3
adb  shell rm -rf screenrecord /sdcard/%var%.mp4
goto one

pause