string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%9C%89%E7%9A%84%E7%9B%B4%E6%92%AD%E9%97%B4%E4%B8%BA%E5%95%A5%E4%B8%8D%E8%83%BD%E4%B9%B0%E8%B4%A7 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
有的直播间为啥不能买货
