string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B1%B1%E4%B8%9C%E7%9C%81%E4%BA%8C%E5%BB%BA%E8%80%83%E8%AF%95%E7%AD%94%E6%A1%88%E5%85%AC%E5%B8%83 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
山东省二建考试答案公布
