string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%A9%BE%E8%80%83%E4%B8%80%E5%AE%9A%E8%A6%81%E4%BD%93%E6%A3%80%E5%90%97 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
驾考一定要体检吗
