string(295) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%99%BE%E5%BA%A6%E4%BA%91ios%E4%B8%8B%E8%BD%BD%E7%9A%84%E6%96%87%E4%BB%B6%E5%9C%A8%E5%93%AA%E4%B8%AA%E6%96%87%E4%BB%B6%E5%A4%B9 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
百度云ios下载的文件在哪个文件夹
