string(294) "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%E4%BC%9A%E8%AE%A1%E8%80%83%E8%AF%95%E5%81%9A%E9%A2%98%E5%92%8C%E5%90%AC%E8%AF%BE%E7%9A%84%E6%AF%94%E9%87%8D => Failed to connect to 101.89.159.206 port 38187: Connection refused"
中级会计考试做题和听课的比重
