string(274) "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%E4%B8%8D%E5%8E%BB%E6%9C%89%E5%BD%B1%E5%93%8D%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 14.18.117.71 port 38164: Connection refused"
注安考试不去有影响吗知乎
