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%9C400%E5%88%86%E8%80%83%E4%BB%80%E4%B9%88%E5%A4%A7%E5%AD%A6%E5%95%8A => Failed to connect to 61.171.74.35 port 38041: Connection refused"
山东400分考什么大学啊
