string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%89%E4%BA%86%E8%B5%84%E9%87%91%E4%B9%8B%E5%90%8E%E6%80%8E%E4%B9%88%E6%8A%95%E8%B5%84 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
有了资金之后怎么投资
