string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E5%BB%BA%E5%B7%A5%E7%A8%8B%E7%AE%A1%E7%90%86%E9%87%8D%E7%82%B9%E7%AC%94%E8%AE%B0 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
二建工程管理重点笔记
