string(248) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%AB%98%E8%80%83%E6%97%B6%E5%A6%82%E4%BD%95%E7%BC%93%E8%A7%A3%E7%B4%A7%E5%BC%A0 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
高考时如何缓解紧张
