string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E6%89%BE%E5%A5%BD%E9%A1%B9%E7%9B%AE%E6%8A%95%E8%B5%84 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
怎么找好项目投资
