string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%A2%E8%B4%AD%E6%80%8E%E4%B9%88%E6%A0%B7%E5%81%9A%E8%B5%B7%E6%9D%A5 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
团购怎么样做起来
