string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BD%91%E5%9D%80%E8%A2%AB%E6%94%BB%E5%87%BB%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 101.89.143.195 port 38175: Connection refused"
网址被攻击怎么办
