string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E4%B8%BA%E4%BB%80%E4%B9%88%E5%BE%88%E5%A4%9A%E4%BA%BA%E4%B8%8D%E5%8E%BB%E8%80%83%E8%AF%95 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
注会为什么很多人不去考试
