string(239) "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%E7%94%B1%E8%B0%81%E6%8F%90%E4%BE%9B => Failed to connect to 101.89.120.29 port 38025: Connection refused"
监理合同由谁提供
