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%E5%85%AD%E9%97%A8%E8%BF%87%E4%BA%86%E4%B8%80%E5%AE%9A%E8%A6%81%E8%80%83%E7%BB%BC%E5%90%88%E5%90%97 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
注会六门过了一定要考综合吗
