string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E6%8A%BC%E9%A2%98%E5%8D%B7%E6%98%AF%E5%9D%91%E5%90%97 => Failed to connect to 14.116.215.7 port 38230: Connection refused"
一建押题卷是坑吗
