string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E5%AE%89%E8%80%83%E8%AF%95%E9%9C%80%E8%A6%81%E9%A2%84%E6%8A%A5%E5%90%8D%E5%90%97 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
注安考试需要预报名吗
