string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BA%8C%E9%80%A0%E5%AD%99%E7%90%A6%E8%AE%B2%E7%9A%84%E6%80%8E%E6%A0%B7 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
二造孙琦讲的怎样
