string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8C%97%E4%BA%AC%E4%BA%8C%E5%BB%BA%E7%AD%94%E6%A1%88%E5%85%AC%E5%B8%83 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
北京二建答案公布
