string(256) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%AE%A1%E5%88%B6%E5%88%80%E5%85%B7%E8%AE%A4%E5%AE%9A%E4%BE%9D%E6%8D%AE%E5%9B%BE%E8%A7%A3 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
管制刀具认定依据图解
