不能启动，偶尔不停止但输入命令后没反应

[h-yw]

2020-11-10 17:49:16 [cralwer] WARNING: spider task –usage is an invalid task, the allowed tasks are ['common', 'ajax', 'gfw', 'ajax_gfw']
2020-11-10 17:49:16 [cralwer] WARNING: spider task crawler is an invalid task, the allowed tasks are ['common', 'ajax', 'gfw', 'ajax_gfw']
2020-11-10 17:49:16 [cralwer] WARNING: no spider starts up, please check your task input