string(231) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%AD%A6%E7%AB%8B%E5%8F%B6%E4%B8%8E%E6%9D%8E%E6%AF%85%E4%BD%B3 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
武立叶与李毅佳
