提示语优化

bi-server/src/main/java/com/usoftchina/bi/server/service/dataSource/ImplementSqlService.java

@@ -140,7 +140,7 @@ public class ImplementSqlService {
             con.close();
         } catch (SQLException se) {
             se.printStackTrace();
-            return new RepEntity(RepCode.Null);
+            throw new MyException("数据库连接信息有误!");
         }
         return new RepEntity(RepCode.success);
     }