string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BE%BF%E5%88%A9%E5%BA%97%E8%A6%81%E8%BF%9B%E7%9A%84%E8%B4%A7%E5%93%81%E6%B8%85%E5%8D%95 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
便利店要进的货品清单
