string(265) "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%E7%BB%8F%E6%B5%8E%E8%80%83%E8%AF%95%E6%97%B6%E9%97%B4%E5%A4%9F%E7%94%A8%E5%90%97 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
一建经济考试时间够用吗
