diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/converter/json/SequenceFlowJsonConverter.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/converter/json/SequenceFlowJsonConverter.java
index fcf956b39..1f8ec241c 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/converter/json/SequenceFlowJsonConverter.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/converter/json/SequenceFlowJsonConverter.java
@@ -49,7 +49,8 @@ public class SequenceFlowJsonConverter extends AbstractBpmnJsonConverter<Sequenc
     private void setConditionExpression(BpmnJsonNode node, SequenceFlow sequenceFlow) {
         BpmnJsonNode preJsonNode = node.getPreJsonNode();
         if (Objects.isNull(preJsonNode) || !NODE_CONDITION.equals(preJsonNode.getType())
-                || CollectionUtils.isEmpty(preJsonNode.getProperty().getGroups())) {
+                || CollectionUtils.isEmpty(preJsonNode.getProperty().getGroups())
+                || (preJsonNode.getProperty().getGroups().size() == 1 && CollectionUtils.isEmpty(preJsonNode.getProperty().getGroups().get(0).getConditions()))) {
             return;
         }