diff --git a/web/app/components/base/prompt-editor/constants.tsx b/web/app/components/base/prompt-editor/constants.tsx
index 64144b17a9..c24a265684 100644
--- a/web/app/components/base/prompt-editor/constants.tsx
+++ b/web/app/components/base/prompt-editor/constants.tsx
@@ -1,3 +1,5 @@
+import type { ValueSelector } from '../../workflow/types'
+
 export const CONTEXT_PLACEHOLDER_TEXT = '{{#context#}}'
 export const HISTORY_PLACEHOLDER_TEXT = '{{#histories#}}'
 export const QUERY_PLACEHOLDER_TEXT = '{{#query#}}'
@@ -22,3 +24,25 @@ export const checkHasQueryBlock = (text: string) => {
     return false
   return text.includes(QUERY_PLACEHOLDER_TEXT)
 }
+
+/*
+* {{#1711617514996.name#}} => [1711617514996, name]
+* {{#1711617514996.sys.query#}} => [sys, query]
+*/
+export const getInputVars = (text: string): ValueSelector[] => {
+  const allVars = text.match(/{{#([^#]*)#}}/g)
+  if (allVars && allVars?.length > 0) {
+    // {{#context#}}, {{#query#}} is not input vars
+    const inputVars = allVars
+      .filter(item => item.includes('.'))
+      .map((item) => {
+        const valueSelector = item.replace('{{#', '').replace('#}}', '').split('.')
+        if (valueSelector[1] === 'sys' && /^\d+$/.test(valueSelector[0]))
+          return valueSelector.slice(1)
+
+        return valueSelector
+      })
+    return inputVars
+  }
+  return []
+}
diff --git a/web/app/components/workflow/nodes/llm/components/config-prompt.tsx b/web/app/components/workflow/nodes/llm/components/config-prompt.tsx
index 5b49e9b778..06f87f75e7 100644
--- a/web/app/components/workflow/nodes/llm/components/config-prompt.tsx
+++ b/web/app/components/workflow/nodes/llm/components/config-prompt.tsx
@@ -11,7 +11,6 @@ import AddButton from '@/app/components/workflow/nodes/_base/components/add-butt
 import TypeSelector from '@/app/components/workflow/nodes/_base/components/selector'
 import TooltipPlus from '@/app/components/base/tooltip-plus'
 import { HelpCircle } from '@/app/components/base/icons/src/vender/line/general'
-
 const i18nPrefix = 'workflow.nodes.llm'
 
 type Props = {
@@ -105,6 +104,8 @@ const ConfigPrompt: FC<Props> = ({
     onChange(newPrompt)
   }, [onChange, payload])
 
+  // console.log(getInputVars((payload as PromptItem).text))
+
   return (
     <div>
       {(isChatModel && Array.isArray(payload))