string(310) "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%BB%8F%E6%B5%8E%E5%B8%88%E4%BA%BA%E5%8A%9B%E8%B5%84%E6%BA%90%E4%BB%98%E5%AD%90%E5%BB%BA%E8%AE%B2%E7%9A%84%E5%A5%BD%E5%90%97 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
中级经济师人力资源付子建讲的好吗
