string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%9D%E7%BA%A7%E4%BC%9A%E8%AE%A1%E8%BF%87%E7%9A%84%E5%87%A0%E7%8E%87%E6%9C%89%E5%A4%9A%E5%A4%A7 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
初级会计过的几率有多大
