diff --git a/web/app/components/base/button/sync-button.tsx b/web/app/components/base/button/sync-button.tsx
new file mode 100644
index 000000000..013c86889
--- /dev/null
+++ b/web/app/components/base/button/sync-button.tsx
@@ -0,0 +1,27 @@
+'use client'
+import type { FC } from 'react'
+import React from 'react'
+import { RiRefreshLine } from '@remixicon/react'
+import cn from '@/utils/classnames'
+import TooltipPlus from '@/app/components/base/tooltip'
+
+type Props = {
+  className?: string,
+  popupContent?: string,
+  onClick: () => void
+}
+
+const SyncButton: FC<Props> = ({
+  className,
+  popupContent = '',
+  onClick,
+}) => {
+  return (
+    <TooltipPlus popupContent={popupContent}>
+      <div className={cn(className, 'cursor-pointer select-none rounded-md p-1 hover:bg-state-base-hover')} onClick={onClick}>
+        <RiRefreshLine className='h-4 w-4 text-text-tertiary' />
+      </div>
+    </TooltipPlus>
+  )
+}
+export default React.memo(SyncButton)
diff --git a/web/app/components/workflow/nodes/_base/components/variable/var-list.tsx b/web/app/components/workflow/nodes/_base/components/variable/var-list.tsx
index 181b27805..fe489a5b8 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/var-list.tsx
+++ b/web/app/components/workflow/nodes/_base/components/variable/var-list.tsx
@@ -65,10 +65,11 @@ const VarList: FC<Props> = ({
   }, [list, onVarNameChange, onChange])
 
   const handleVarReferenceChange = useCallback((index: number) => {
-    return (value: ValueSelector | string, varKindType: VarKindType) => {
+    return (value: ValueSelector | string, varKindType: VarKindType, varInfo?: Var) => {
       const newList = produce(list, (draft) => {
         if (!isSupportConstantValue || varKindType === VarKindType.variable) {
           draft[index].value_selector = value as ValueSelector
+          draft[index].value_type = varInfo?.type
           if (isSupportConstantValue)
             draft[index].variable_type = VarKindType.variable
 
diff --git a/web/app/components/workflow/nodes/code/panel.tsx b/web/app/components/workflow/nodes/code/panel.tsx
index 05d6cd795..f928c13bd 100644
--- a/web/app/components/workflow/nodes/code/panel.tsx
+++ b/web/app/components/workflow/nodes/code/panel.tsx
@@ -14,6 +14,7 @@ import Split from '@/app/components/workflow/nodes/_base/components/split'
 import CodeEditor from '@/app/components/workflow/nodes/_base/components/editor/code-editor'
 import TypeSelector from '@/app/components/workflow/nodes/_base/components/selector'
 import type { NodePanelProps } from '@/app/components/workflow/types'
+import SyncButton from '@/app/components/base/button/sync-button'
 const i18nPrefix = 'workflow.nodes.code'
 
 const codeLanguages = [
@@ -40,6 +41,7 @@ const Panel: FC<NodePanelProps<CodeNodeType>> = ({
     handleVarListChange,
     handleAddVariable,
     handleRemoveVariable,
+    handleSyncFunctionSignature,
     handleCodeChange,
     handleCodeLanguageChange,
     handleVarsChange,
@@ -68,7 +70,12 @@ const Panel: FC<NodePanelProps<CodeNodeType>> = ({
         <Field
           title={t(`${i18nPrefix}.inputVars`)}
           operations={
-            !readOnly ? <AddButton onClick={handleAddVariable} /> : undefined
+            !readOnly ? (
+              <div className="flex gap-2">
+                <SyncButton popupContent={t(`${i18nPrefix}.syncFunctionSignature`)} onClick={handleSyncFunctionSignature} />
+                <AddButton onClick={handleAddVariable} />
+              </div>
+            ) : undefined
           }
         >
           <VarList
diff --git a/web/app/components/workflow/nodes/code/use-config.ts b/web/app/components/workflow/nodes/code/use-config.ts
index 370a05834..9b0c14e52 100644
--- a/web/app/components/workflow/nodes/code/use-config.ts
+++ b/web/app/components/workflow/nodes/code/use-config.ts
@@ -84,6 +84,65 @@ const useConfig = (id: string, payload: CodeNodeType) => {
     setInputs(newInputs)
   }, [allLanguageDefault, inputs, setInputs])
 
+  const handleSyncFunctionSignature = useCallback(() => {
+      const generateSyncSignatureCode = (code: string) => {
+      let mainDefRe
+      let newMainDef
+      if (inputs.code_language === CodeLanguage.javascript) {
+        mainDefRe = /function\s+main\b\s*\([\s\S]*?\)/g
+        newMainDef = 'function main({{var_list}})'
+        let param_list = inputs.variables?.map(item => item.variable).join(', ') || ''
+        param_list = param_list ? `{${param_list}}` : ''
+        newMainDef = newMainDef.replace('{{var_list}}', param_list)
+      }
+
+      else if (inputs.code_language === CodeLanguage.python3) {
+        mainDefRe = /def\s+main\b\s*\([\s\S]*?\)/g
+        const param_list = []
+        for (const item of inputs.variables) {
+          let param = item.variable
+          let param_type = ''
+          switch (item.value_type) {
+            case VarType.string:
+              param_type = ': str'
+              break
+            case VarType.number:
+              param_type = ': float'
+              break
+            case VarType.object:
+              param_type = ': dict'
+              break
+            case VarType.array:
+              param_type = ': list'
+              break
+            case VarType.arrayNumber:
+              param_type = ': list[float]'
+              break
+            case VarType.arrayString:
+              param_type = ': list[str]'
+              break
+            case VarType.arrayObject:
+              param_type = ': list[dict]'
+              break
+          }
+          param += param_type
+          param_list.push(`${param}`)
+        }
+
+        newMainDef = `def main(${param_list.join(', ')})`
+      }
+      else { return code }
+
+      const newCode = code.replace(mainDefRe, newMainDef)
+      return newCode
+    }
+
+    const newInputs = produce(inputs, (draft) => {
+      draft.code = generateSyncSignatureCode(draft.code)
+    })
+    setInputs(newInputs)
+  }, [inputs, setInputs])
+
   const {
     handleVarsChange,
     handleAddVariable: handleAddOutputVariable,
@@ -119,6 +178,7 @@ const useConfig = (id: string, payload: CodeNodeType) => {
     handleVarListChange,
     handleAddVariable,
     handleRemoveVariable,
+    handleSyncFunctionSignature,
     handleCodeChange,
     handleCodeLanguageChange,
     handleVarsChange,
diff --git a/web/app/components/workflow/types.ts b/web/app/components/workflow/types.ts
index f80ade86c..c9e5aa31b 100644
--- a/web/app/components/workflow/types.ts
+++ b/web/app/components/workflow/types.ts
@@ -136,6 +136,7 @@ export type Variable = {
     variable: string
   }
   value_selector: ValueSelector
+  value_type?: VarType
   variable_type?: VarKindType
   value?: string
   options?: string[]
diff --git a/web/i18n/en-US/workflow.ts b/web/i18n/en-US/workflow.ts
index 0285333e3..df0bb904f 100644
--- a/web/i18n/en-US/workflow.ts
+++ b/web/i18n/en-US/workflow.ts
@@ -549,6 +549,7 @@ const translation = {
       advancedDependencies: 'Advanced Dependencies',
       advancedDependenciesTip: 'Add some preloaded dependencies that take more time to consume or are not default built-in here',
       searchDependencies: 'Search Dependencies',
+      syncFunctionSignature: 'Sync function signature to code',
     },
     templateTransform: {
       inputVars: 'Input Variables',
diff --git a/web/i18n/ja-JP/workflow.ts b/web/i18n/ja-JP/workflow.ts
index 5700d9c9b..3c959669b 100644
--- a/web/i18n/ja-JP/workflow.ts
+++ b/web/i18n/ja-JP/workflow.ts
@@ -550,6 +550,7 @@ const translation = {
       advancedDependencies: '高度な依存関係',
       advancedDependenciesTip: '消費に時間がかかる、またはデフォルトで組み込まれていない事前ロードされた依存関係を追加します',
       searchDependencies: '依存関係を検索',
+      syncFunctionSignature: 'コードの関数署名を同期',
     },
     templateTransform: {
       inputVars: '入力変数',
diff --git a/web/i18n/zh-Hans/workflow.ts b/web/i18n/zh-Hans/workflow.ts
index 26ba7f382..aa9dcae26 100644
--- a/web/i18n/zh-Hans/workflow.ts
+++ b/web/i18n/zh-Hans/workflow.ts
@@ -550,6 +550,7 @@ const translation = {
       advancedDependencies: '高级依赖',
       advancedDependenciesTip: '在这里添加一些预加载需要消耗较多时间或非默认内置的依赖包',
       searchDependencies: '搜索依赖',
+      syncFunctionSignature: '同步函数签名至代码',
     },
     templateTransform: {
       inputVars: '输入变量',
diff --git a/web/i18n/zh-Hant/workflow.ts b/web/i18n/zh-Hant/workflow.ts
index 2ee345ecc..8262e6035 100644
--- a/web/i18n/zh-Hant/workflow.ts
+++ b/web/i18n/zh-Hant/workflow.ts
@@ -544,6 +544,7 @@ const translation = {
       advancedDependencies: '高級依賴',
       advancedDependenciesTip: '在這裡添加一些預加載需要消耗較多時間或非默認內置的依賴包',
       searchDependencies: '搜索依賴',
+      syncFunctionSignature: '同步函數簽名至代碼',
     },
     templateTransform: {
       inputVars: '輸入變量',