string(312) "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%8A%80%E6%9C%AF%E5%AE%9E%E5%8A%A1%E5%92%8C%E7%BB%BC%E5%90%88%E8%83%BD%E5%8A%9B%E5%8C%BA%E5%88%AB => Failed to connect to 101.89.117.144 port 38017: Connection refused"
消防工程师技术实务和综合能力区别
