string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%85%AC%E5%85%B1%E5%85%B3%E7%B3%BB%E5%8D%B1%E6%9C%BA%E5%A4%84%E7%90%86%E7%9A%84%E5%85%B3%E9%94%AE%E7%8E%AF%E8%8A%82 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
公共关系危机处理的关键环节
