string(256) "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%E5%B7%A5%E4%BD%9C%E6%80%BB%E7%BB%93%E4%B8%8E%E8%AE%A1%E5%88%92 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
便利店工作总结与计划
