string(240) "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%E8%80%83%E8%AF%95%E5%90%84%E7%A7%91%E9%A2%98%E5%9E%8B => Failed to connect to 125.88.227.171 port 38062: Connection refused"
注会考试各科题型
