string(298) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E4%BC%9A%E8%AE%A1%E5%88%9D%E7%BA%A7%E8%80%83%E8%AF%95%E6%95%99%E6%9D%90%E4%BC%9A%E6%9C%89%E5%A4%A7%E5%8F%98%E5%8C%96%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
2021会计初级考试教材会有大变化吗
