string(255) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E8%B0%83%E8%8A%82%E9%AB%98%E8%80%83%E5%89%8D%E7%9A%84%E5%BF%83%E6%80%81 => Failed to connect to 14.18.46.51 port 38044: Connection refused"
如何调节高考前的心态
