From ac67b892b57f8b7f6f09d5a9f4e691f047db7a23 Mon Sep 17 00:00:00 2001
From: chenzhihang <709011834@qq.com>
Date: Wed, 23 Jul 2025 16:42:57 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B5=81=E6=B0=B4=E7=BA=BF=E6=A8=A1=E6=9D=BF?=
 =?UTF-8?q?=E4=BC=98=E5=8C=96?=
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---
 .../platform/service/impl/WorkflowServiceImpl.java   | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

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 6d912051..84a60642 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
@@ -142,8 +142,16 @@ public class WorkflowServiceImpl implements WorkflowService {
     public WorkflowVo update(WorkflowVo workflowVo) throws Exception {
         Workflow workflow = new Workflow();
         BeanUtils.copyProperties(workflowVo, workflow);
-        workflow.setDag(JacksonUtil.toJSONString(workflowVo.getDag()));
-        workflow.setGlobalParam(JsonUtils.objectToJson(workflowVo.getGlobalParam()));
+        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);
         workflow.setUpdateBy(loginUser.getUsername());