string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E4%B9%88%E6%A0%B7%E6%89%8D%E8%83%BD%E5%81%9A%E4%B8%80%E4%B8%AA%E6%88%90%E5%8A%9F%E7%9A%84%E4%BE%BF%E5%88%A9%E5%BA%97 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
怎么样才能做一个成功的便利店
