string(297) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E7%BA%A7%E9%80%A0%E4%BB%B7%E5%B8%88%E5%81%9A%E9%A2%98%E5%93%AA%E4%B8%AAapp%E6%AF%94%E8%BE%83%E5%A5%BD%E4%B8%80%E7%82%B9 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
一级造价师做题哪个app比较好一点
