From dd42e7706a9c57060feccbcd494d5d3338d97353 Mon Sep 17 00:00:00 2001
From: Joel <iamjoel007@gmail.com>
Date: Mon, 19 Jan 2026 15:15:24 +0800
Subject: [PATCH] fix: workflow can not init

---
 .../components/rag-pipeline/hooks/use-nodes-sync-draft.ts    | 5 ++++-
 .../components/workflow-app/hooks/use-nodes-sync-draft.ts    | 5 ++++-
 web/service/workflow.ts                                      | 5 +++--
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/web/app/components/rag-pipeline/hooks/use-nodes-sync-draft.ts b/web/app/components/rag-pipeline/hooks/use-nodes-sync-draft.ts
index f30e22cc23..a5dd72d898 100644
--- a/web/app/components/rag-pipeline/hooks/use-nodes-sync-draft.ts
+++ b/web/app/components/rag-pipeline/hooks/use-nodes-sync-draft.ts
@@ -102,7 +102,10 @@ export const useNodesSyncDraft = () => {
         setDraftUpdatedAt,
       } = workflowStore.getState()
       try {
-        const res = await syncWorkflowDraft(postParams)
+        const res = await syncWorkflowDraft({
+          ...postParams,
+          canNotSaveEmpty: true,
+        })
         setSyncWorkflowDraftHash(res.hash)
         setDraftUpdatedAt(res.updated_at)
         callback?.onSuccess?.()
diff --git a/web/app/components/workflow-app/hooks/use-nodes-sync-draft.ts b/web/app/components/workflow-app/hooks/use-nodes-sync-draft.ts
index 97ba72f679..24c07ce456 100644
--- a/web/app/components/workflow-app/hooks/use-nodes-sync-draft.ts
+++ b/web/app/components/workflow-app/hooks/use-nodes-sync-draft.ts
@@ -107,7 +107,10 @@ export const useNodesSyncDraft = () => {
         setDraftUpdatedAt,
       } = workflowStore.getState()
       try {
-        const res = await syncWorkflowDraft(postParams)
+        const res = await syncWorkflowDraft({
+          ...postParams,
+          canNotSaveEmpty: true,
+        })
         setSyncWorkflowDraftHash(res.hash)
         setDraftUpdatedAt(res.updated_at)
         callback?.onSuccess?.()
diff --git a/web/service/workflow.ts b/web/service/workflow.ts
index aac83a0de0..929a138b46 100644
--- a/web/service/workflow.ts
+++ b/web/service/workflow.ts
@@ -15,12 +15,13 @@ export const fetchWorkflowDraft = (url: string) => {
   return get(url, {}, { silent: true }) as Promise<FetchWorkflowDraftResponse>
 }
 
-export const syncWorkflowDraft = ({ url, params }: {
+export const syncWorkflowDraft = ({ url, params, canNotSaveEmpty }: {
   url: string
   params: Pick<FetchWorkflowDraftResponse, 'graph' | 'features' | 'environment_variables' | 'conversation_variables'>
+  canNotSaveEmpty?: boolean
 }) => {
   // when graph adn skill type changed, it would pass empty nodes array...Temp prevent sync in this case
-  if (params.graph.nodes.length === 0) {
+  if (params.graph.nodes.length === 0 && canNotSaveEmpty) {
     throw new Error('Cannot sync workflow draft with zero nodes.')
   }
   const sanitized = sanitizeWorkflowDraftPayload(params)