@璐村惂鐢ㄦ埛_000076K馃惥 off
set filename=E:\Back\defrag.log
echo --------------------------------- >> %filename%
for %%n in (C: D: E:) do (
echo %date% %time%: >> %filename%
echo Ready defraging %%n driver,please waiting ... >> %filename%
echo Starting... >> %filename%
start "VolumesManage" /wait /B defrag %%n /U /V
echo %date% %time%: >> %filename%
echo %%n driver has Ended! >> %filename%
echo. >> %filename%
)

这个磁盘整理进行好几个小时的，时间不可能一样!请问大佬们，我这个是哪里出了问题？