string(248) "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%E4%B8%80%E7%BA%A7%E8%AF%95%E9%A2%98%E5%8F%8A%E7%AD%94%E6%A1%88 => Failed to connect to 101.89.120.29 port 38058: Connection refused"
消防一级试题及答案
