string(293) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A4%96%E5%8D%96%E7%89%A9%E6%B5%81%E6%A8%A1%E5%BC%8F%E5%AD%98%E5%9C%A8%E7%9A%84%E9%97%AE%E9%A2%98%E5%92%8C%E5%AF%B9%E7%AD%96 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
外卖物流模式存在的问题和对策
