string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BC%9A%E8%AE%AE%E7%AE%80%E7%9F%AD%E5%8F%91%E8%A8%80%E7%BB%93%E6%9D%9F%E8%AF%AD => Failed to connect to 14.18.117.71 port 38164: Connection refused"
会议简短发言结束语
