string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=20%E5%B2%81%E8%BF%B7%E8%8C%AB%E7%9A%84%E6%88%91%E8%AF%A5%E5%81%9A%E4%BB%80%E4%B9%88%E4%BA%8B%E6%83%85%E5%91%A2 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
20岁迷茫的我该做什么事情呢
