string(309) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E5%8F%B3%E5%80%92%E5%BA%93%E7%AC%AC%E4%B8%80%E4%B8%AA%E7%82%B9%E6%AF%8F%E6%AC%A1%E9%83%BD%E4%B8%8D%E4%B8%80%E6%A0%B7 => Failed to connect to 14.18.46.51 port 38206: Connection refused"
为什么右倒库第一个点每次都不一样
