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%BB%93%E6%9D%9F%E7%9A%84%E6%84%9F%E8%B0%A2%E8%AF%9D%E8%AF%AD => Failed to connect to 14.116.215.7 port 38225: Connection refused"
会议结束的感谢话语
