string(246) "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%B7%A5%E7%A8%8B%E5%B8%88%E9%87%8D%E7%82%B9%E7%AC%94%E8%AE%B0 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
监理工程师重点笔记
