string(233) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E6%B3%A8%E4%BC%9A%E7%BB%8F%E6%B5%8E%E6%B3%95%E7%AD%94%E6%A1%88 => Failed to connect to 14.116.215.7 port 38225: Connection refused"
2021注会经济法答案
