string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E7%BA%A7%E7%9A%84%E8%B4%A2%E7%AE%A1%E5%92%8C%E7%BB%8F%E6%B5%8E%E6%B3%95%E5%93%AA%E4%B8%AA%E6%9B%B4%E9%9A%BE => Failed to connect to 61.171.74.35 port 38041: Connection refused"
中级的财管和经济法哪个更难
