[文件操作] 批处理提示运算符不存在，再大神帮忙看看脚本还有哪些问题？

@echo off
set CurPath=%~dp0
cd..
echo %cd%
set "SaveProPath=CT"
::-------------------------------------------------------------------------------
::创建日期
set curdate=%date%
set d1=%curdate:~0,4%
set d2=%curdate:~5,2%
set d3=%curdate:~8,2%
set curdate=%d1%-%d2%
set curtime=%time%
set /a newtime=%curtime::=%
set /a newtime=%newtime%+1000000
set SaveTime=%d1%%d2%%d3%_%newtime:~1,6%

set "DestPath=C:\Program Files\Radar\CT\Config"
::创建备份包名称
set "%cd%\备份"
set "%cd%\备份\%SaveProPath%\%curdate%_%SaveTime%"
md "%cd%\备份\%SaveProPath%\%curdate%_%SaveTime%"

::拷贝config
xcopy "%cd%\Config" "%cd%"  /S /E /K /Y

::WebAir打包

"%cd%\7za.exe" a -tzip "%cd%.zip" "%cd%\"
pause
echo
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