string(249) "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%E5%B9%B3%E5%8F%B0%E5%B1%9E%E4%BA%8E%E7%BD%91%E5%BA%97%E5%90%97 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
外卖平台属于网店吗
