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 7a8722353..d91e8ddc2 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
@@ -379,7 +379,7 @@ public final class BpmnJsonConverterUtil {
      * @return 创建的节点的 ID
      */
     private static List<String> create(BpmnJsonNode bpmnJsonNode, Process mainProcess,
-                                 BpmnModel bpmnModel, String... preNodeIds) {
+                                       BpmnModel bpmnModel, String... preNodeIds) {
         FLAT_NODE_MAP.put(bpmnJsonNode.getId(), bpmnJsonNode);
         // 设置来源节点
         bpmnJsonNode.setIncoming(Lists.newArrayList(preNodeIds));
@@ -446,23 +446,26 @@ public final class BpmnJsonConverterUtil {
                 // branch == node_condition
                 BpmnJsonNode nextJsonNode = Objects.isNull(branch.getChildren()) ? bpmnJsonNode.getChildren() :
                         branch.getChildren();
-                nextJsonNode.setIncoming(Lists.newArrayList(gateway.getId()));
+                if (Objects.nonNull(nextJsonNode)) {
 
-                // 将 node_condition 放入计算节点的上级属性中，方便顺序流转换器对条件进行处理
-                nextJsonNode.setPreJsonNode(branch);
-                SequenceFlow sequenceFlow = (SequenceFlow) convertJsonToElement(SequenceFlow.class, nextJsonNode,
-                        mainProcess);
-                mainProcess.addFlowElement(sequenceFlow);
+                    nextJsonNode.setIncoming(Lists.newArrayList(gateway.getId()));
 
-                // 设置网关默认流
-                if (Objects.nonNull(branch.getProperty()) && Boolean.TRUE.equals(branch.getProperty().getDefaultBranch())) {
-                    // 如果是默认流, 以防止前端输入错误, 强制置空
-                    sequenceFlow.setConditionExpression(null);
-                    gateway.setDefaultFlow(sequenceFlow.getId());
-                }
+                    // 将 node_condition 放入计算节点的上级属性中，方便顺序流转换器对条件进行处理
+                    nextJsonNode.setPreJsonNode(branch);
+                    SequenceFlow sequenceFlow = (SequenceFlow) convertJsonToElement(SequenceFlow.class, nextJsonNode,
+                            mainProcess);
+                    mainProcess.addFlowElement(sequenceFlow);
 
-                if (Objects.nonNull(branch.getChildren()) && StringUtils.hasLength(branch.getChildren().getId())) {
-                    branchLastNodeIds.addAll(create(branch.getChildren(), mainProcess, bpmnModel));
+                    // 设置网关默认流
+                    if (Objects.nonNull(branch.getProperty()) && Boolean.TRUE.equals(branch.getProperty().getDefaultBranch())) {
+                        // 如果是默认流, 以防止前端输入错误, 强制置空
+                        sequenceFlow.setConditionExpression(null);
+                        gateway.setDefaultFlow(sequenceFlow.getId());
+                    }
+
+                    if (Objects.nonNull(branch.getChildren()) && StringUtils.hasLength(branch.getChildren().getId())) {
+                        branchLastNodeIds.addAll(create(branch.getChildren(), mainProcess, bpmnModel));
+                    }
                 }
             }
         }