string(287) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=20%E5%B2%81%E6%9C%89%E7%82%B9%E8%BF%B7%E8%8C%AB%E8%AF%A5%E5%B9%B2%E7%82%B9%E4%BB%80%E4%B9%88%E5%B7%A5%E4%BD%9C%E5%91%A2 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
20岁有点迷茫该干点什么工作呢
