string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AD%E5%9B%BD%E7%9B%9B%E4%BA%A7%E7%BA%A2%E6%9E%A3%E7%9A%84%E5%9C%B0%E6%96%B9 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
中国盛产红枣的地方
