string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E8%80%83%E8%AF%95%E5%8F%AF%E4%BB%A5%E5%9C%A8%E5%8D%B7%E5%AD%90%E4%B8%8A%E5%88%92%E9%87%8D%E7%82%B9%E5%90%97 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
一建考试可以在卷子上划重点吗
