diff --git a/virtual-patient-graph/src/main/java/com/supervision/service/impl/GraphNebulaServiceImpl.java b/virtual-patient-graph/src/main/java/com/supervision/service/impl/GraphNebulaServiceImpl.java
index e3f80082..779e1c02 100644
--- a/virtual-patient-graph/src/main/java/com/supervision/service/impl/GraphNebulaServiceImpl.java
+++ b/virtual-patient-graph/src/main/java/com/supervision/service/impl/GraphNebulaServiceImpl.java
@@ -348,7 +348,7 @@ public class GraphNebulaServiceImpl implements GraphNebulaService {
     @Override
     public List<TreeNodeVO> queryTreeGraph(String processId, Integer level) {
         GraphVO graphVO = queryGraph(processId, level);
-        List<TreeNodeVO> treeNodeList = graphVO.getNodes().stream().map(node -> BeanUtil.toBean(node, TreeNodeVO.class)).collect(Collectors.toList());
+        List<TreeNodeVO> treeNodeList = graphVO.getNodes().stream().map(node -> BeanUtil.toBean(node, TreeNodeVO.class)).toList();
         // 首先找到第一级节点
         List<TreeNodeVO> firstNodeList = treeNodeList.stream().filter(node -> node.getNodeLevel() == 1).collect(Collectors.toList());
         if (CollUtil.isEmpty(firstNodeList)) {