windows on pip install scrapyd-client, found wrong:
Later Baidu, looking for an article , the need to increase scrapyd-deploy.bat file (bat file python.exe and vary scrapyd-deploy the absolute path of) the Scripts directory in python
@echo off "D:\program\Python37\python.exe" "D:\program\Python37\Scripts\scrapyd-deploy" %1 %2 %3 %4 %5 %6 %7 %8 %9
Run again and found it
Reference article
'scrapyd-deploy' is not an internal or external command, operable program or batch file .