string(307) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2020%E6%B3%A8%E5%86%8C%E6%B6%88%E9%98%B2%E5%B7%A5%E7%A8%8B%E5%B8%88%E7%BB%BC%E5%90%88%E7%9C%9F%E9%A2%98%E7%AD%94%E6%A1%88%E8%AF%A6%E8%A7%A3 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
2020注册消防工程师综合真题答案详解
