string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%AD%A6%E9%A9%BE%E7%85%A7c1%E8%BF%98%E6%98%AFc2%E5%A5%BD%E7%82%B9 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
学驾照c1还是c2好点
