string(269) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=u%E7%9B%98%E8%BD%AC%E5%8C%96%E6%88%90mbr%E8%BF%98%E8%83%BD%E6%AD%A3%E5%B8%B8%E4%BD%BF%E7%94%A8%E5%90%97 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
u盘转化成mbr还能正常使用吗
