校验上链逻辑2

siwei-modules/siwei-apply/src/main/java/com/siwei/apply/service/impl/NodeLandImpl.java

@@ -165,7 +165,7 @@ public class NodeLandImpl implements NodeLandService {
             }
             //获取当前项目下的固定节点
             List<ProjectWorkflow>  useProjectWorkflowList =  projectWorkflowMapper.selectProjectOneNodeId(nodeId,nodeTableName);
-            if(CollectionUtils.isNotEmpty(useProjectWorkflowList)){
+            if(CollectionUtils.isNotEmpty(useProjectWorkflowList) && Objects.nonNull(useProjectWorkflowList.get(0))){
                 String useNodeId = useProjectWorkflowList.get(0).getNodeId();
                 nodeLand = nodeLandMapper.selectByNodeId(useNodeId);
             }