string(285) "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%E7%9A%84%E8%BF%90%E8%90%A5%E7%AE%A1%E7%90%86%E6%96%B9%E6%A1%88%E6%9C%89%E5%93%AA%E4%BA%9B => Failed to connect to 101.89.166.210 port 38089: Connection refused"
便利店的运营管理方案有哪些
