diff --git a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/WorkflowServiceImpl.java b/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/WorkflowServiceImpl.java
index 84a60642..8d8849b7 100644
--- a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/WorkflowServiceImpl.java
+++ b/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/WorkflowServiceImpl.java
@@ -144,13 +144,9 @@ public class WorkflowServiceImpl implements WorkflowService {
         BeanUtils.copyProperties(workflowVo, workflow);
         if (workflowVo.getDag() != null) {
             workflow.setDag(JacksonUtil.toJSONString(workflowVo.getDag()));
-        } else {
-            workflow.setDag(null);
         }
         if (workflowVo.getGlobalParam() != null) {
             workflow.setGlobalParam(JsonUtils.objectToJson(workflowVo.getGlobalParam()));
-        } else {
-            workflow.setGlobalParam(null);
         }
         LoginUser loginUser = SecurityUtils.getLoginUser();
         checkDeclaredName(workflow);