string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BB%80%E4%B9%88%E5%B7%A5%E4%BD%9C%E8%87%AA%E7%94%B1%E8%BD%BB%E6%9D%BE => Failed to connect to 125.88.227.171 port 38114: Connection refused"
什么工作自由轻松
