系统总图，返回结果添加没有关系的系统

src/main/java/com/keymobile/metadata/metadataRelation/service/impl/MetadataServiceImpl.java

@@ -556,7 +556,8 @@ public class MetadataServiceImpl implements IMetadataService {
 
         ReturnReslult returnReslult = new ReturnReslult();
 
-        String cypher = "match data=(na:softplatform)<-[r]->(nb:softplatform) return data ";
+        String cypher = "match data=(na:softplatform)<-[r]->(nb:softplatform) return data" +
+                " union match data=(na:softplatform) return data ";
 
         StatementResult statementResult = session.run(cypher);
         Map<Long, ReturnNode> nodesMap = new HashMap<>();