string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E7%AB%99%E8%A2%AB%E6%81%B6%E6%84%8F%E6%94%BB%E5%87%BB%E4%BA%86%E6%80%8E%E4%B9%88%E5%8A%9E%E5%95%8A => Failed to connect to 61.171.74.35 port 38027: Connection refused"
网站被恶意攻击了怎么办啊
