diff --git a/web/app/components/workflow/nodes/_base/components/output-vars.tsx b/web/app/components/workflow/nodes/_base/components/output-vars.tsx
index b4dfadc678..1fa0cd4e91 100644
--- a/web/app/components/workflow/nodes/_base/components/output-vars.tsx
+++ b/web/app/components/workflow/nodes/_base/components/output-vars.tsx
@@ -6,11 +6,13 @@ import cn from 'classnames'
 
 type Props = {
   className?: string
+  title?: string
   children: JSX.Element
 }
 
 const OutputVars: FC<Props> = ({
   className,
+  title,
   children,
 }) => {
   const { t } = useTranslation()
@@ -18,7 +20,7 @@ const OutputVars: FC<Props> = ({
   return (
     <div>
       <div className={cn(className, 'leading-[18px] text-[13px] font-semibold text-gray-700 uppercase')}>
-        {t('workflow.nodes.common.outputVars')}
+        {title || t('workflow.nodes.common.outputVars')}
       </div>
       <div className='mt-2 space-y-1'>
         {children}
@@ -30,12 +32,18 @@ type VarItemProps = {
   name: string
   type: string
   description: string
+  subItems?: {
+    name: string
+    type: string
+    description: string
+  }[]
 }
 
 export const VarItem: FC<VarItemProps> = ({
   name,
   type,
   description,
+  subItems,
 }) => {
   return (
     <div className='py-1'>
@@ -43,7 +51,21 @@ export const VarItem: FC<VarItemProps> = ({
         <div className='text-[13px] font-medium text-gray-900'>{name}</div>
         <div className='ml-2 text-xs font-normal text-gray-500 capitalize'>{type}</div>
       </div>
-      <div className='mt-0.5 leading-[18px] text-xs font-normal text-gray-600'>{description}</div>
+      <div className='mt-0.5 leading-[18px] text-xs font-normal text-gray-600'>
+        {description}
+        {subItems && (
+          <div className='ml-2 border-l border-gray-200 pl-2'>
+            {subItems.map((item, index) => (
+              <VarItem
+                key={index}
+                name={item.name}
+                type={item.type}
+                description={item.description}
+              />
+            ))}
+          </div>
+        )}
+      </div>
     </div>
   )
 }
diff --git a/web/app/components/workflow/nodes/start/panel.tsx b/web/app/components/workflow/nodes/start/panel.tsx
index 6e401a9a4e..8ff6d148b9 100644
--- a/web/app/components/workflow/nodes/start/panel.tsx
+++ b/web/app/components/workflow/nodes/start/panel.tsx
@@ -1,8 +1,59 @@
 import type { FC } from 'react'
+import { useTranslation } from 'react-i18next'
+import Split from '@/app/components/workflow/nodes/_base/components/split'
+import Field from '@/app/components/workflow/nodes/_base/components/field'
+import OutputVars, { VarItem } from '@/app/components/workflow/nodes/_base/components/output-vars'
+
+const i18nPrefix = 'workflow.nodes.start'
 
 const Panel: FC = () => {
+  const { t } = useTranslation()
+
   return (
-    <div>start panel inputs</div>
+    <div className='mt-2'>
+      <div className='px-4 pb-4 space-y-4'>
+        <Field
+          title={t(`${i18nPrefix}.model`)}
+        >
+          ss
+        </Field>
+      </div>
+      <Split />
+
+      <div className='px-4 pt-4 pb-2'>
+        <OutputVars title={t(`${i18nPrefix}.builtInVar`)!}>
+          <>
+            <VarItem
+              name='sys.query'
+              type='string'
+              description={t(`${i18nPrefix}.outputVars.query`)}
+            />
+            <VarItem
+              name='sys.memories'
+              type='array[Object]'
+              description={t(`${i18nPrefix}.outputVars.memories.des`)}
+              subItems={[
+                {
+                  name: 'type',
+                  type: 'string',
+                  description: t(`${i18nPrefix}.outputVars.memories.type`),
+                },
+                {
+                  name: 'content',
+                  type: 'string',
+                  description: t(`${i18nPrefix}.outputVars.memories.content`),
+                },
+              ]}
+            />
+            <VarItem
+              name='sys.files'
+              type='string'
+              description={t(`${i18nPrefix}.outputVars.files`)}
+            />
+          </>
+        </OutputVars>
+      </div>
+    </div>
   )
 }
 
diff --git a/web/app/components/workflow/nodes/start/use-config.ts b/web/app/components/workflow/nodes/start/use-config.ts
new file mode 100644
index 0000000000..96da6e3cfa
--- /dev/null
+++ b/web/app/components/workflow/nodes/start/use-config.ts
@@ -0,0 +1,12 @@
+import { useState } from 'react'
+import type { StartNodeType } from './types'
+
+const useConfig = (initInputs: StartNodeType) => {
+  const [inputs, setInputs] = useState<StartNodeType>(initInputs)
+
+  return {
+    inputs,
+  }
+}
+
+export default useConfig
diff --git a/web/i18n/lang/workflow.en.ts b/web/i18n/lang/workflow.en.ts
index 1a15363ec0..7b9b8f9258 100644
--- a/web/i18n/lang/workflow.en.ts
+++ b/web/i18n/lang/workflow.en.ts
@@ -6,6 +6,16 @@ const translation = {
     },
     start: {
       required: 'required',
+      builtInVar: 'Built-in Variables',
+      outputVars: {
+        query: 'User input',
+        memories: {
+          des: 'Conversation history',
+          type: 'message type',
+          content: 'message content',
+        },
+        files: 'File list',
+      },
     },
     end: {
       outputs: 'Outputs',
diff --git a/web/i18n/lang/workflow.zh.ts b/web/i18n/lang/workflow.zh.ts
index 8f0deafe3a..5ecd764db7 100644
--- a/web/i18n/lang/workflow.zh.ts
+++ b/web/i18n/lang/workflow.zh.ts
@@ -6,6 +6,16 @@ const translation = {
     },
     start: {
       required: '必填',
+      builtInVar: '内置变量',
+      outputVars: {
+        query: '用户输入',
+        memories: {
+          des: '会话历史',
+          type: '消息类型',
+          content: '消息内容',
+        },
+        files: '文件列表',
+      },
     },
     end: {
       outputs: '输出',