string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BD%A0%E5%B9%B2%E4%BB%80%E4%B9%88%E7%9A%84%E5%B9%B2%E6%80%8E%E4%B9%88%E5%86%99 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
你干什么的干怎么写
