diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/common/utils/BpmnJsonConverterUtil.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/common/utils/BpmnJsonConverterUtil.java
index 45c17f873..ec16c7369 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/common/utils/BpmnJsonConverterUtil.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/common/utils/BpmnJsonConverterUtil.java
@@ -461,7 +461,7 @@ public final class BpmnJsonConverterUtil {
                     gateway.setDefaultFlow(sequenceFlow.getId());
                 }
 
-                if (Objects.nonNull(branch.getChildren())) {
+                if (Objects.nonNull(branch.getChildren()) && !StringUtils.hasLength(branch.getChildren().getId())) {
                     branchLastNodeIds.addAll(create(branch.getChildren(), mainProcess, bpmnModel));
                 }
             }