string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%B0%E5%9C%A8%E8%80%83%E9%A9%BE%E7%85%A7%E5%BF%85%E9%A1%BB%E8%A6%81%E4%BD%93%E6%A3%80%E5%90%97 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
现在考驾照必须要体检吗
