celery默认安装到/usr/local/python3/bin/celery路径,此路径不再$PATH中,所以shell找不到此路径,做一个连接就可以 ln -s /usr/local/python3/bin/celery /usr/bin/celery
celery默认安装到/usr/local/python3/bin/celery路径,此路径不再$PATH中,所以shell找不到此路径,做一个连接就可以 ln -s /usr/local/python3/bin/celery /usr/bin/celery