string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=c1%E7%A7%91%E7%9B%AE%E4%BA%8C%E5%8F%B3%E5%80%92%E5%BA%93%E7%9A%84%E5%87%A0%E4%B8%AA%E7%82%B9 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
c1科目二右倒库的几个点
