$ scrapy crawl board_list
$ scrapy crawl board -a url=https://asahi.5ch.net/newsplus/
$ scrapy crawl thread -a url=https://asahi.5ch.net/test/read.cgi/newsplus/1596266486/l50
$ scrapy crawl drilldown -a board_name=自作PC -a thread_title=特価品 -a post_message=http