string(285) "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%E7%A8%8E%E6%B3%95%E6%9C%80%E5%90%8E%E4%B8%89%E7%AB%A0%E5%8F%AF%E4%BB%A5%E6%94%BE%E5%BC%83%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
注会税法最后三章可以放弃吗
