string(250) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B1%B1%E4%B8%9C%E9%AB%98%E8%80%83300%E5%88%86%E8%83%BD%E4%B8%8A%E4%BB%80%E4%B9%88 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
山东高考300分能上什么
