string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B2%88%E9%98%B3%E6%A3%8B%E7%9B%98%E5%B1%B1%E6%98%AF%E4%B8%AA%E4%BA%BA%E7%9A%84%E8%BF%98%E6%98%AF%E5%9B%BD%E5%AE%B6%E7%9A%84 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
沈阳棋盘山是个人的还是国家的
