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%E4%B8%BA%E4%BB%80%E4%B9%88%E4%BC%9A%E8%A2%AB%E6%94%BB%E5%87%BB => Failed to connect to 101.89.117.144 port 38022: Connection refused"
网站为什么会被攻击
