string(294) "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%E6%A1%88%E4%BE%8B%E5%88%86%E6%9E%90%E9%9A%BE%E4%B8%8D%E9%9A%BE%E8%80%83%E5%91%80 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
监理工程师案例分析难不难考呀
