string(269) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%B9%B4%E6%B3%A8%E4%BC%9A%E8%B4%A2%E7%AE%A1%E9%A2%98%E5%9E%8B%E5%88%86%E5%B8%83%E6%83%85%E5%86%B5 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
2021年注会财管题型分布情况
