string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9D%91%E9%87%8C%E6%9C%89%E4%B8%AA%E5%A7%91%E5%A8%98%E5%8F%AB%E5%B0%8F%E8%8A%B3%E6%98%AF%E9%82%A3%E9%A6%96%E6%AD%8C => Failed to connect to 14.18.117.71 port 38164: Connection refused"
村里有个姑娘叫小芳是那首歌
