string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%BE%E5%88%B0%E6%8A%95%E8%B5%84%E4%BA%BA%E8%87%AA%E5%B7%B1%E4%B8%8D%E7%94%A8%E5%87%BA%E9%92%B1%E5%90%97 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
找到投资人自己不用出钱吗
