scrapy 爬虫时报错:
<twisted.python.failure.Failure twisted.internet.error.ConnectionLost: Connection to the other side was lost in a non-clean fashion: Connection lost.>
<twisted.python.failure.failure twisted.internet.error.connection lost:与另一端的连接以非干净方式丢失:连接丢失。>
解决方法:增加浏览器头部