string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BB%BA%E7%AD%91%E5%B7%A5%E7%A8%8B%E6%96%BD%E5%B7%A5%E6%8A%80%E6%9C%AF%E8%B4%9F%E8%B4%A3%E4%BA%BA%E7%9A%84%E8%81%8C%E8%B4%A3 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
建筑工程施工技术负责人的职责
