[网络连接] 这段批量ping的批处理代码出错在哪？

@echo off
if [%1]==[] (Goto :Start) else (Goto :ping)
:Start
	echo.ScanTime:%time%>ip.txt&&set "ip=192.168.1"
	for /L %%i in (1,1,254) do Start %~s0 %ip%.%%i
	Goto :eof
:ping
	ping $1 -n 10 -w 1 >nui&&echo %1 -	OK!>>ip.txt
	exit
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