string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%94%BB%E5%9F%8E%E4%B9%8B%E6%88%98%E4%B8%80%E8%88%AC%E6%89%93%E5%A4%9A%E4%B9%85 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
攻城之战一般打多久
