连接ORACLE数据源,无法获取Schema

目前下载的是DataEase V2(2.7.1) 遇到连接数据源oracle,无法获取Schema:报:Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor;

数据库配置的问题,检查一下,具体操作自行百度

感谢,我再查看下