string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B5%81%E6%B0%B4%E6%96%BD%E5%B7%A5%E5%8F%82%E6%95%B0%E8%A1%A8 => Failed to connect to 101.89.143.195 port 38109: Connection refused"
流水施工参数表
