sip failed with exit status 1

[Zhangyu754178]

C:\Users\Administrator\AppData\Local\Programs\Python\Python37\sip.exe -n PyQt5.sip -t Qt_5_15_0 -t WS_WIN -c build\temp.win-amd64-3.7\Release -b build\temp.win-amd64-3.7\Release\all.sbf -I C:\Users\Administrator\AppData\Local\Programs\Python\Python37\sip\PyQt5 all.sip sip: Usage: sip [-h] [-V] [-a file] [-b file] [-B tag] [-c dir] [-d file] [-D] [-e] [-f] [-g] [-I dir] [-j #] [-k] [-m file] [-o] [-p module] [-P] [-r] [-s suffix] [-t tag] [-w] [-x feature] [-X id:file] [-y file] [-z file] [@file] [file]

sip is installed, but sip.exe miss -n