string(265) "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%8C%85%E6%8B%AC%E7%8E%AF%E5%A2%83%E4%BF%9D%E6%8A%A4%E5%90%97 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
监理合同包括环境保护吗
