diff --git a/web/app/components/workflow/nodes/_base/components/variable/utils.ts b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
index 5b16efe461..0f9a3d36ae 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/utils.ts
+++ b/web/app/components/workflow/nodes/_base/components/variable/utils.ts
@@ -1,4 +1,5 @@
 import produce from 'immer'
+import { isArray } from 'lodash-es'
 import type { CodeNodeType } from '../../../code/types'
 import type { EndNodeType } from '../../../end/types'
 import type { AnswerNodeType } from '../../../answer/types'
@@ -177,6 +178,12 @@ export const isSystemVar = (valueSelector: ValueSelector) => {
   return valueSelector[0] === 'sys' || valueSelector[1] === 'sys'
 }
 
+export const getNodeInfoById = (nodes: any, id: string) => {
+  if (!isArray(nodes))
+    return
+  return nodes.find((node: any) => node.id === id)
+}
+
 export const getVarType = (value: ValueSelector, availableNodes: any[], isChatMode: boolean): VarType | undefined => {
   const isSystem = isSystemVar(value)
   const startNode = availableNodes.find((node: any) => {
diff --git a/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx b/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx
index e4b336f6b9..c96727c255 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx
+++ b/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx
@@ -3,10 +3,9 @@ import type { FC } from 'react'
 import React, { useCallback, useEffect, useRef, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 import cn from 'classnames'
-import { isArray } from 'lodash-es'
 import produce from 'immer'
 import VarReferencePopup from './var-reference-popup'
-import { isSystemVar, toNodeOutputVars } from './utils'
+import { getNodeInfoById, isSystemVar, toNodeOutputVars } from './utils'
 import type { ValueSelector, Var } from '@/app/components/workflow/types'
 import { BlockEnum, VarType } from '@/app/components/workflow/types'
 import { VarBlockIcon } from '@/app/components/workflow/block-icon'
@@ -42,12 +41,6 @@ type Props = {
   filterVar?: (payload: Var, valueSelector: ValueSelector) => boolean
 }
 
-const getNodeInfoById = (nodes: any, id: string) => {
-  if (!isArray(nodes))
-    return
-  return nodes.find((node: any) => node.id === id)
-}
-
 const VarReferencePicker: FC<Props> = ({
   nodeId,
   readonly,
diff --git a/web/app/components/workflow/nodes/llm/use-config.ts b/web/app/components/workflow/nodes/llm/use-config.ts
index 7e083e307d..0748927de3 100644
--- a/web/app/components/workflow/nodes/llm/use-config.ts
+++ b/web/app/components/workflow/nodes/llm/use-config.ts
@@ -1,5 +1,6 @@
 import { useCallback, useEffect, useRef, useState } from 'react'
 import produce from 'immer'
+import { flatten, uniqBy } from 'lodash'
 import useVarList from '../_base/hooks/use-var-list'
 import { VarType } from '../../types'
 import type { Memory, ValueSelector, Var } from '../../types'
@@ -7,7 +8,9 @@ import { useStore } from '../../store'
 import {
   useIsChatMode,
   useNodesReadOnly,
+  useWorkflow,
 } from '../../hooks'
+import { getNodeInfoById } from '../_base/components/variable/utils'
 import type { LLMNodeType } from './types'
 import { Resolution } from '@/types/app'
 import { useModelListAndDefaultModelAndCurrentProviderAndModel, useTextGenerationCurrentProviderAndModelAndModelList } from '@/app/components/header/account-setting/model-provider-page/hooks'
@@ -16,11 +19,14 @@ import useNodeCrud from '@/app/components/workflow/nodes/_base/hooks/use-node-cr
 import useOneStepRun from '@/app/components/workflow/nodes/_base/hooks/use-one-step-run'
 import type { PromptItem } from '@/models/debug'
 import { RETRIEVAL_OUTPUT_STRUCT } from '@/app/components/workflow/constants'
-import { checkHasContextBlock, checkHasHistoryBlock, checkHasQueryBlock } from '@/app/components/base/prompt-editor/constants'
+import { checkHasContextBlock, checkHasHistoryBlock, checkHasQueryBlock, getInputVars } from '@/app/components/base/prompt-editor/constants'
 
 const useConfig = (id: string, payload: LLMNodeType) => {
   const { nodesReadOnly: readOnly } = useNodesReadOnly()
   const isChatMode = useIsChatMode()
+  const { getBeforeNodesInSameBranch } = useWorkflow()
+
+  const availableNodes = getBeforeNodesInSameBranch(id)
 
   const defaultConfig = useStore(s => s.nodesDefaultConfigs)[payload.type]
   const [defaultRolePrefix, setDefaultRolePrefix] = useState<{ user: string; assistant: string }>({ user: '', assistant: '' })
@@ -262,8 +268,32 @@ const useConfig = (id: string, payload: LLMNodeType) => {
       '#files#': newFiles,
     })
   }, [runInputData, setRunInputData])
+  const variables = (() => {
+    let valueSelectors: ValueSelector[] = []
+    if (isChatModel) {
+      valueSelectors = flatten(
+        (inputs.prompt_template as PromptItem[])
+          .map(item => getInputVars(item.text)),
+      )
+    }
+    else {
+      valueSelectors = getInputVars((inputs.prompt_template as PromptItem).text)
+    }
 
-  const varInputs = toVarInputs(inputs.variables)
+    const variables = uniqBy(valueSelectors, item => item.join('.')).map((item) => {
+      const varInfo = getNodeInfoById(availableNodes, item[0])?.data
+      const variable = [...item]
+      variable[0] = varInfo?.title || availableNodes[0]?.data.title // default start node title
+
+      return {
+        variable: variable.join('/'),
+        value_selector: item,
+      }
+    })
+
+    return variables
+  })()
+  const varInputs = toVarInputs(variables)
 
   return {
     readOnly,