string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BB%80%E4%B9%88%E5%B7%A5%E4%BD%9C%E9%99%90%E5%88%B6%E8%BA%AB%E9%AB%98 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
什么工作限制身高
