string(249) "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%E7%B4%A7%E5%BC%A0%E6%80%8E%E4%B9%88%E7%BC%93%E8%A7%A3 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
高考时紧张怎么缓解
