string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%88%90%E9%83%BD%E5%8F%91%E7%94%9F%E7%9A%84%E5%83%B5%E5%B0%B8%E4%BA%8B%E4%BB%B6 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
成都发生的僵尸事件
