string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E7%BB%BC%E5%90%88%E9%98%B6%E6%AE%B5%E5%A4%9A%E4%B9%85%E8%80%83%E5%AE%8C => Failed to connect to 101.89.117.144 port 38076: Connection refused"
注会综合阶段多久考完
