string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B6%88%E9%98%B2%E5%B7%A5%E7%A8%8B%E5%B8%88%E6%A1%88%E4%BE%8B%E7%AD%94%E9%A2%98%E6%A8%A1%E6%9D%BF%E5%8F%8A%E7%AD%94%E6%A1%88 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
消防工程师案例答题模板及答案
