string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=5000%E5%9D%97%E9%92%B1%E4%B9%B0%E8%82%A1%E7%A5%A8%E6%80%8E%E4%B9%88%E6%A0%B7 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
5000块钱买股票怎么样
