string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%BF%98%E6%9C%89%E4%B8%80%E4%B8%AA%E6%9C%88%E9%AB%98%E8%80%83%E8%83%BD%E6%8F%90%E5%A4%9A%E5%B0%91%E5%88%86 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
还有一个月高考能提多少分
