diff --git a/web/app/components/workflow/nodes/doc-extractor/default.ts b/web/app/components/workflow/nodes/doc-extractor/default.ts
index 204b1bcb5a..21d01abaf7 100644
--- a/web/app/components/workflow/nodes/doc-extractor/default.ts
+++ b/web/app/components/workflow/nodes/doc-extractor/default.ts
@@ -6,7 +6,7 @@ const i18nPrefix = 'workflow.errorMsg'
 
 const nodeDefault: NodeDefault<DocExtractorNodeType> = {
   defaultValue: {
-    variable: [],
+    variable_selector: [],
   },
   getAvailablePrevNodes(isChatMode: boolean) {
     const nodes = isChatMode
@@ -20,7 +20,7 @@ const nodeDefault: NodeDefault<DocExtractorNodeType> = {
   },
   checkValid(payload: DocExtractorNodeType, t: any) {
     let errorMessages = ''
-    const { variable } = payload
+    const { variable_selector: variable } = payload
 
     if (!errorMessages && !variable?.length)
       errorMessages = t(`${i18nPrefix}.fieldRequired`, { field: t('workflow.nodes.assigner.assignedVariable') })
diff --git a/web/app/components/workflow/nodes/doc-extractor/node.tsx b/web/app/components/workflow/nodes/doc-extractor/node.tsx
index 655162acab..6324961051 100644
--- a/web/app/components/workflow/nodes/doc-extractor/node.tsx
+++ b/web/app/components/workflow/nodes/doc-extractor/node.tsx
@@ -15,7 +15,7 @@ const NodeComponent: FC<NodeProps<DocExtractorNodeType>> = ({
   const { t } = useTranslation()
 
   const nodes: Node[] = useNodes()
-  const { variable } = data
+  const { variable_selector: variable } = data
 
   if (!variable || variable.length === 0)
     return null
diff --git a/web/app/components/workflow/nodes/doc-extractor/panel.tsx b/web/app/components/workflow/nodes/doc-extractor/panel.tsx
index 9f520735e9..83714a4bcf 100644
--- a/web/app/components/workflow/nodes/doc-extractor/panel.tsx
+++ b/web/app/components/workflow/nodes/doc-extractor/panel.tsx
@@ -33,7 +33,7 @@ const Panel: FC<NodePanelProps<DocExtractorNodeType>> = ({
             readonly={readOnly}
             nodeId={id}
             isShowNodeName
-            value={inputs.variable || []}
+            value={inputs.variable_selector || []}
             onChange={handleVarChanges}
             filterVar={filterVar}
           />
diff --git a/web/app/components/workflow/nodes/doc-extractor/types.ts b/web/app/components/workflow/nodes/doc-extractor/types.ts
index 054e4b6cf2..96f29b407e 100644
--- a/web/app/components/workflow/nodes/doc-extractor/types.ts
+++ b/web/app/components/workflow/nodes/doc-extractor/types.ts
@@ -1,5 +1,5 @@
 import type { CommonNodeType, ValueSelector } from '@/app/components/workflow/types'
 
 export type DocExtractorNodeType = CommonNodeType & {
-  variable: ValueSelector
+  variable_selector: ValueSelector
 }
diff --git a/web/app/components/workflow/nodes/doc-extractor/use-config.ts b/web/app/components/workflow/nodes/doc-extractor/use-config.ts
index 2bb2897b96..e72217e9ad 100644
--- a/web/app/components/workflow/nodes/doc-extractor/use-config.ts
+++ b/web/app/components/workflow/nodes/doc-extractor/use-config.ts
@@ -15,7 +15,7 @@ const useConfig = (id: string, payload: DocExtractorNodeType) => {
 
   const handleVarChanges = useCallback((variable: ValueSelector | string) => {
     const newInputs = produce(inputs, (draft) => {
-      draft.variable = variable as ValueSelector
+      draft.variable_selector = variable as ValueSelector
     })
     setInputs(newInputs)
   }, [inputs, setInputs])