string(241) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E7%BA%A7%E8%80%83%E8%AF%9522%E5%B9%B4%E8%80%83%E5%87%A0%E9%97%A8 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
中级考试22年考几门
