string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9B%91%E7%90%86%E5%90%88%E5%90%8C%E5%90%AC%E8%B0%81%E7%9A%84%E8%AF%BE%E6%AF%94%E8%BE%83%E5%A5%BD => Failed to connect to 101.89.117.144 port 38022: Connection refused"
监理合同听谁的课比较好
