string(267) "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%B4%A2%E7%AE%A1%E7%9C%9F%E9%A2%98%E7%AD%94%E6%A1%88%E4%B8%AD%E6%B3%A8%E5%8D%8F => Failed to connect to 125.88.227.171 port 38114: Connection refused"
注会财管真题答案中注协
