string(256) "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%E4%BA%BA%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E7%8E%A9%E6%8A%96%E9%9F%B3 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
有的人为什么不玩抖音
