string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A4%84%E7%90%86%E5%85%AC%E5%85%B3%E5%8D%B1%E6%9C%BA%E7%9A%84%E9%BB%84%E9%87%91%E6%97%B6%E9%97%B4 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
处理公关危机的黄金时间
