string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%AD%96%E5%88%92%E4%B9%A6%E6%B4%BB%E5%8A%A8%E8%83%8C%E6%99%AF%E5%A5%97%E8%AF%9D => Failed to connect to 14.18.117.71 port 38069: Connection refused"
策划书活动背景套话
