string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BC%80%E4%B8%80%E4%B8%AA%E5%8F%B0%E7%90%83%E5%8E%85%E6%88%90%E6%9C%AC%E5%A4%A7%E7%BA%A6%E5%A4%9A%E5%B0%91 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
开一个台球厅成本大约多少
