string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BC%80%E5%8F%B0%E7%90%83%E5%AE%A4%E6%9C%89%E5%89%8D%E6%99%AF%E5%90%97 => Failed to connect to 101.89.159.206 port 38087: Connection refused"
开台球室有前景吗
