string(250) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=9.6%E6%97%A5%E4%BC%9A%E8%AE%A1%E4%B8%AD%E7%BA%A7%E7%9A%84%E5%AE%9E%E5%8A%A1%E9%A2%98 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
9.6日会计中级的实务题
