批处理命令cacls删除权限无法删除本机名字的权限？

@echo off
:tou
cls
set /p aa=请拖入你需要修改权限的文件：
cls
echo _____________________________________________________________
echo 你需要修改的文件是：%aa%
echo _____________________________________________________________
:top
set /p bb=完全禁止输入1，开启输入2：
if %bb% equ 1 (goto 1) else (if %bb% equ 2 (goto 2) else (cls&echo 输入错误，请重新输入！！！！！&ping 127.1 -n 3 >nul&cls&goto top))
:1
cacls %aa% /t /e /r %username%
pause
cacls %aa% /t /e /r Administrator
cacls %aa% /t /e /r SYSTEM
cacls %aa% /t /e /r Users
cacls %aa% /t /e /r Administrators
cacls %aa% /t /e /r everyone
cacls %aa% /t /e /r "Authenticated Users"
cls
echo 权限已关闭！！
ping 127.1 -n 2 >nul
goto tou
:2
cacls %aa% /e /p everyone:f
cls
echo 权限已开启，可以使用！！
ping 127.1 -n 2 >nul
goto tou
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