string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%89%E8%B5%84%E9%87%91%E5%81%9A%E4%BB%80%E4%B9%88%E7%94%9F%E6%84%8F%E5%A5%BD%E4%B8%80%E7%82%B9 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
有资金做什么生意好一点
