string(366) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E5%8D%8E%E4%BC%9A%E8%AE%A1%E7%BD%91%E6%A0%A1%E8%80%83%E8%AF%95%E5%85%B3%E9%97%AD%E5%90%8E%E6%89%8B%E6%9C%BA%E4%B8%8B%E8%BD%BD%E7%9A%84%E8%A7%86%E9%A2%91%E8%BF%98%E8%83%BD%E7%9C%8B%E5%90%97 => Failed to connect to 101.89.117.144 port 38056: Connection refused"
中华会计网校考试关闭后手机下载的视频还能看吗
