string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%87%AA%E5%8A%A8%E5%8D%96%E8%B4%A7%E6%9C%BA%E5%99%A8%E4%BA%BA%E6%80%8E%E4%B9%88%E5%81%9A => Failed to connect to 101.89.117.144 port 38017: Connection refused"
自动卖货机器人怎么做
