string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%85%AC%E8%B7%AF%E6%B3%95%E5%B1%9E%E4%BA%8E%E8%A1%8C%E6%94%BF%E6%B3%95%E8%A7%84%E5%90%97 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
公路法属于行政法规吗
