string(249) "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%94%BB%E5%87%BB%E6%80%8E%E4%B9%88%E5%A4%84%E7%90%86 => Failed to connect to 101.89.166.210 port 38089: Connection refused"
网站被攻击怎么处理
