string(271) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=2021%E5%88%9D%E7%BA%A7%E4%BC%9A%E8%AE%A1%E7%BB%8F%E6%B5%8E%E6%B3%95%E5%9F%BA%E7%A1%80%E9%A2%98%E5%BA%93 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
2021初级会计经济法基础题库
