string(310) "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%E6%A8%A1%E6%8B%9F%E9%A2%98%E5%92%8C%E7%9C%9F%E9%A2%98%E9%9A%BE%E5%BA%A6%E7%9B%B8%E5%B7%AE%E5%A4%A7%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 14.18.117.71 port 38069: Connection refused"
注会模拟题和真题难度相差大吗知乎
