string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%84%9A%E6%89%8B%E6%9E%B6%E4%B8%93%E9%A1%B9%E6%96%B9%E6%A1%88%E6%9D%A1%E4%BB%B6 => Failed to connect to 101.89.117.144 port 38076: Connection refused"
脚手架专项方案条件
