string(258) "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%E5%8E%9F%E5%88%99%E6%98%AF => Failed to connect to 101.89.117.144 port 38005: Connection refused"
处理公关危机的原则是
