string(252) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=cpa%E8%80%83%E8%AF%95%E7%A7%91%E7%9B%AE%E6%80%8E%E4%B9%88%E5%AE%89%E6%8E%92%E5%A5%BD => Failed to connect to 125.88.227.171 port 38114: Connection refused"
cpa考试科目怎么安排好
