diff --git a/web/app/components/base/prompt-editor/constants.tsx b/web/app/components/base/prompt-editor/constants.tsx
index 48e67a4ee7..6cef41d818 100644
--- a/web/app/components/base/prompt-editor/constants.tsx
+++ b/web/app/components/base/prompt-editor/constants.tsx
@@ -3,6 +3,7 @@ import { SupportUploadFileTypes, type ValueSelector } from '../../workflow/types
 export const CONTEXT_PLACEHOLDER_TEXT = '{{#context#}}'
 export const HISTORY_PLACEHOLDER_TEXT = '{{#histories#}}'
 export const QUERY_PLACEHOLDER_TEXT = '{{#query#}}'
+export const REQUEST_URL_PLACEHOLDER_TEXT = '{{#url#}}'
 export const PRE_PROMPT_PLACEHOLDER_TEXT = '{{#pre_prompt#}}'
 export const UPDATE_DATASETS_EVENT_EMITTER = 'prompt-editor-context-block-update-datasets'
 export const UPDATE_HISTORY_EVENT_EMITTER = 'prompt-editor-history-block-update-role'
@@ -25,6 +26,12 @@ export const checkHasQueryBlock = (text: string) => {
   return text.includes(QUERY_PLACEHOLDER_TEXT)
 }
 
+export const checkHasRequestURLBlock = (text: string) => {
+  if (!text)
+    return false
+  return text.includes(REQUEST_URL_PLACEHOLDER_TEXT)
+}
+
 /*
 * {{#1711617514996.name#}} => [1711617514996, name]
 * {{#1711617514996.sys.query#}} => [sys, query]
diff --git a/web/app/components/base/prompt-editor/index.tsx b/web/app/components/base/prompt-editor/index.tsx
index 9feace996c..2a571d81cd 100644
--- a/web/app/components/base/prompt-editor/index.tsx
+++ b/web/app/components/base/prompt-editor/index.tsx
@@ -44,6 +44,11 @@ import {
   HITLInputBlockReplacementBlock,
   HITLInputNode,
 } from './plugins/hitl-input-block'
+import {
+  RequestURLBlock,
+  RequestURLBlockNode,
+  RequestURLBlockReplacementBlock,
+} from './plugins/request-url-block'
 import VariableBlock from './plugins/variable-block'
 import VariableValueBlock from './plugins/variable-value-block'
 import { VariableValueBlockNode } from './plugins/variable-value-block/node'
@@ -57,6 +62,7 @@ import type {
   HITLInputBlockType,
   HistoryBlockType,
   QueryBlockType,
+  RequestURLBlockType,
   VariableBlockType,
   WorkflowVariableBlockType,
 } from './types'
@@ -82,6 +88,7 @@ export type PromptEditorProps = {
   onFocus?: () => void
   contextBlock?: ContextBlockType
   queryBlock?: QueryBlockType
+  requestURLBlock?: RequestURLBlockType
   historyBlock?: HistoryBlockType
   variableBlock?: VariableBlockType
   externalToolBlock?: ExternalToolBlockType
@@ -105,6 +112,7 @@ const PromptEditor: FC<PromptEditorProps> = ({
   onFocus,
   contextBlock,
   queryBlock,
+  requestURLBlock,
   historyBlock,
   variableBlock,
   externalToolBlock,
@@ -125,6 +133,7 @@ const PromptEditor: FC<PromptEditorProps> = ({
       ContextBlockNode,
       HistoryBlockNode,
       QueryBlockNode,
+      RequestURLBlockNode,
       WorkflowVariableBlockNode,
       VariableValueBlockNode,
       HITLInputNode,
@@ -184,6 +193,7 @@ const PromptEditor: FC<PromptEditorProps> = ({
           contextBlock={contextBlock}
           historyBlock={historyBlock}
           queryBlock={queryBlock}
+          requestURLBlock={requestURLBlock}
           variableBlock={variableBlock}
           externalToolBlock={externalToolBlock}
           workflowVariableBlock={workflowVariableBlock}
@@ -194,6 +204,7 @@ const PromptEditor: FC<PromptEditorProps> = ({
           contextBlock={contextBlock}
           historyBlock={historyBlock}
           queryBlock={queryBlock}
+          requestURLBlock={requestURLBlock}
           variableBlock={variableBlock}
           externalToolBlock={externalToolBlock}
           workflowVariableBlock={workflowVariableBlock}
@@ -248,6 +259,14 @@ const PromptEditor: FC<PromptEditorProps> = ({
             </>
           )
         }
+        {
+          requestURLBlock?.show && (
+            <>
+              <RequestURLBlock {...requestURLBlock} />
+              <RequestURLBlockReplacementBlock {...requestURLBlock} />
+            </>
+          )
+        }
         <OnChangePlugin onChange={handleEditorChange} />
         <OnBlurBlock onBlur={onBlur} onFocus={onFocus} />
         <UpdateBlock instanceId={instanceId} />
diff --git a/web/app/components/base/prompt-editor/plugins/component-picker-block/hooks.tsx b/web/app/components/base/prompt-editor/plugins/component-picker-block/hooks.tsx
index 7332a0d39b..e50b97ce8c 100644
--- a/web/app/components/base/prompt-editor/plugins/component-picker-block/hooks.tsx
+++ b/web/app/components/base/prompt-editor/plugins/component-picker-block/hooks.tsx
@@ -1,5 +1,6 @@
 import { useMemo } from 'react'
 import { useTranslation } from 'react-i18next'
+import { RiGlobalLine } from '@remixicon/react'
 import { $insertNodes } from 'lexical'
 import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext'
 import type {
@@ -7,6 +8,7 @@ import type {
   ExternalToolBlockType,
   HistoryBlockType,
   QueryBlockType,
+  RequestURLBlockType,
   VariableBlockType,
   WorkflowVariableBlockType,
 } from '../../types'
@@ -14,6 +16,7 @@ import { INSERT_CONTEXT_BLOCK_COMMAND } from '../context-block'
 import { INSERT_HISTORY_BLOCK_COMMAND } from '../history-block'
 import { INSERT_QUERY_BLOCK_COMMAND } from '../query-block'
 import { INSERT_VARIABLE_VALUE_BLOCK_COMMAND } from '../variable-block'
+import { INSERT_REQUEST_URL_BLOCK_COMMAND } from '../request-url-block'
 import { $createCustomTextNode } from '../custom-text/node'
 import { PromptMenuItem } from './prompt-option'
 import { VariableMenuItem } from './variable-option'
@@ -32,6 +35,7 @@ export const usePromptOptions = (
   contextBlock?: ContextBlockType,
   queryBlock?: QueryBlockType,
   historyBlock?: HistoryBlockType,
+  requestURLBlock?: RequestURLBlockType,
 ) => {
   const { t } = useTranslation()
   const [editor] = useLexicalComposerContext()
@@ -85,6 +89,28 @@ export const usePromptOptions = (
     )
   }
 
+  if (requestURLBlock?.show) {
+    promptOptions.push(new PickerBlockMenuOption({
+      key: t('common.promptEditor.requestURL.item.title'),
+      group: 'request URL',
+      render: ({ isSelected, onSelect, onSetHighlight }) => {
+        return <PromptMenuItem
+          title={t('common.promptEditor.requestURL.item.title')}
+          icon={<RiGlobalLine className='h-4 w-4 text-util-colors-violet-violet-600' />}
+          disabled={!requestURLBlock.selectable}
+          isSelected={isSelected}
+          onClick={onSelect}
+          onMouseEnter={onSetHighlight}
+        />
+      },
+      onSelect: () => {
+        if (!requestURLBlock?.selectable)
+          return
+        editor.dispatchCommand(INSERT_REQUEST_URL_BLOCK_COMMAND, undefined)
+      },
+    }))
+  }
+
   if (historyBlock?.show) {
     promptOptions.push(
       new PickerBlockMenuOption({
@@ -267,9 +293,10 @@ export const useOptions = (
   variableBlock?: VariableBlockType,
   externalToolBlockType?: ExternalToolBlockType,
   workflowVariableBlockType?: WorkflowVariableBlockType,
+  requestURLBlock?: RequestURLBlockType,
   queryString?: string,
 ) => {
-  const promptOptions = usePromptOptions(contextBlock, queryBlock, historyBlock)
+  const promptOptions = usePromptOptions(contextBlock, queryBlock, historyBlock, requestURLBlock)
   const variableOptions = useVariableOptions(variableBlock, queryString)
   const externalToolOptions = useExternalToolOptions(externalToolBlockType, queryString)
   const workflowVariableOptions = useMemo(() => {
diff --git a/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx b/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx
index bffcdc60d2..304d2d0da2 100644
--- a/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx
+++ b/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx
@@ -20,6 +20,7 @@ import type {
   ExternalToolBlockType,
   HistoryBlockType,
   QueryBlockType,
+  RequestURLBlockType,
   VariableBlockType,
   WorkflowVariableBlockType,
 } from '../../types'
@@ -37,6 +38,7 @@ type ComponentPickerProps = {
   triggerString: string
   contextBlock?: ContextBlockType
   queryBlock?: QueryBlockType
+  requestURLBlock?: RequestURLBlockType
   historyBlock?: HistoryBlockType
   variableBlock?: VariableBlockType
   externalToolBlock?: ExternalToolBlockType
@@ -47,6 +49,7 @@ const ComponentPicker = ({
   triggerString,
   contextBlock,
   queryBlock,
+  requestURLBlock,
   historyBlock,
   variableBlock,
   externalToolBlock,
@@ -87,6 +90,7 @@ const ComponentPicker = ({
     variableBlock,
     externalToolBlock,
     workflowVariableBlock,
+    requestURLBlock,
   )
 
   const onSelectOption = useCallback(
diff --git a/web/app/components/base/prompt-editor/plugins/request-url-block/component.tsx b/web/app/components/base/prompt-editor/plugins/request-url-block/component.tsx
new file mode 100644
index 0000000000..5253f90cd4
--- /dev/null
+++ b/web/app/components/base/prompt-editor/plugins/request-url-block/component.tsx
@@ -0,0 +1,33 @@
+import type { FC } from 'react'
+import { useTranslation } from 'react-i18next'
+import { RiGlobalLine } from '@remixicon/react'
+
+import { useSelectOrDelete } from '../../hooks'
+import { DELETE_REQUEST_URL_BLOCK_COMMAND } from './index'
+import cn from '@/utils/classnames'
+
+type RequestURLBlockComponentProps = {
+  nodeKey: string
+}
+
+const RequestURLBlockComponent: FC<RequestURLBlockComponentProps> = ({
+  nodeKey,
+}) => {
+  const { t } = useTranslation()
+  const [ref, isSelected] = useSelectOrDelete(nodeKey, DELETE_REQUEST_URL_BLOCK_COMMAND)
+
+  return (
+    <div
+      className={cn(
+        'group/wrap relative mx-0.5 flex h-[18px] select-none items-center rounded-[5px] border border-components-panel-border-subtle bg-components-badge-white-to-dark px-1 hover:border-[#7839ee]',
+        isSelected && '!border-[#7839ee] hover:!border-[#7839ee]',
+      )}
+      ref={ref}
+    >
+      <RiGlobalLine className='mr-0.5 h-3.5 w-3.5 text-util-colors-violet-violet-600' />
+      <div className='system-xs-medium text-util-colors-violet-violet-600'>{t('common.promptEditor.requestURL.item.title')}</div>
+    </div>
+  )
+}
+
+export default RequestURLBlockComponent
diff --git a/web/app/components/base/prompt-editor/plugins/request-url-block/index.tsx b/web/app/components/base/prompt-editor/plugins/request-url-block/index.tsx
new file mode 100644
index 0000000000..3a82a4b49e
--- /dev/null
+++ b/web/app/components/base/prompt-editor/plugins/request-url-block/index.tsx
@@ -0,0 +1,64 @@
+import {
+  memo,
+  useEffect,
+} from 'react'
+import {
+  $insertNodes,
+  COMMAND_PRIORITY_EDITOR,
+  createCommand,
+} from 'lexical'
+import { mergeRegister } from '@lexical/utils'
+import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext'
+import type { RequestURLBlockType } from '../../types'
+import {
+  $createRequestURLBlockNode,
+  RequestURLBlockNode,
+} from './node'
+
+export const INSERT_REQUEST_URL_BLOCK_COMMAND = createCommand('INSERT_REQUEST_URL_BLOCK_COMMAND')
+export const DELETE_REQUEST_URL_BLOCK_COMMAND = createCommand('DELETE_REQUEST_URL_BLOCK_COMMAND')
+
+const RequestURLBlock = memo(({
+  onInsert,
+  onDelete,
+}: RequestURLBlockType) => {
+  const [editor] = useLexicalComposerContext()
+
+  useEffect(() => {
+    if (!editor.hasNodes([RequestURLBlockNode]))
+      throw new Error('RequestURLBlockPlugin: RequestURLBlock not registered on editor')
+
+    return mergeRegister(
+      editor.registerCommand(
+        INSERT_REQUEST_URL_BLOCK_COMMAND,
+        () => {
+          const contextBlockNode = $createRequestURLBlockNode()
+
+          $insertNodes([contextBlockNode])
+          if (onInsert)
+            onInsert()
+
+          return true
+        },
+        COMMAND_PRIORITY_EDITOR,
+      ),
+      editor.registerCommand(
+        DELETE_REQUEST_URL_BLOCK_COMMAND,
+        () => {
+          if (onDelete)
+            onDelete()
+
+          return true
+        },
+        COMMAND_PRIORITY_EDITOR,
+      ),
+    )
+  }, [editor, onInsert, onDelete])
+
+  return null
+})
+RequestURLBlock.displayName = 'RequestURLBlock'
+
+export { RequestURLBlock }
+export { RequestURLBlockNode } from './node'
+export { default as RequestURLBlockReplacementBlock } from './request-url-block-replacement-block'
diff --git a/web/app/components/base/prompt-editor/plugins/request-url-block/node.tsx b/web/app/components/base/prompt-editor/plugins/request-url-block/node.tsx
new file mode 100644
index 0000000000..b1e74aa3a6
--- /dev/null
+++ b/web/app/components/base/prompt-editor/plugins/request-url-block/node.tsx
@@ -0,0 +1,59 @@
+import type { LexicalNode, SerializedLexicalNode } from 'lexical'
+import { DecoratorNode } from 'lexical'
+import RequestURLBlockComponent from './component'
+
+export type SerializedNode = SerializedLexicalNode
+
+export class RequestURLBlockNode extends DecoratorNode<React.JSX.Element> {
+  static getType(): string {
+    return 'request-url-block'
+  }
+
+  static clone(node: RequestURLBlockNode): RequestURLBlockNode {
+    return new RequestURLBlockNode(node.__key)
+  }
+
+  isInline(): boolean {
+    return true
+  }
+
+  createDOM(): HTMLElement {
+    const div = document.createElement('div')
+    div.classList.add('inline-flex', 'items-center', 'align-middle')
+    return div
+  }
+
+  updateDOM(): false {
+    return false
+  }
+
+  decorate(): React.JSX.Element {
+    return <RequestURLBlockComponent nodeKey={this.getKey()} />
+  }
+
+  static importJSON(): RequestURLBlockNode {
+    const node = $createRequestURLBlockNode()
+
+    return node
+  }
+
+  exportJSON(): SerializedNode {
+    return {
+      type: 'request-url-block',
+      version: 1,
+    }
+  }
+
+  getTextContent(): string {
+    return '{{#url#}}'
+  }
+}
+export function $createRequestURLBlockNode(): RequestURLBlockNode {
+  return new RequestURLBlockNode()
+}
+
+export function $isRequestURLBlockNode(
+  node: RequestURLBlockNode | LexicalNode | null | undefined,
+): node is RequestURLBlockNode {
+  return node instanceof RequestURLBlockNode
+}
diff --git a/web/app/components/base/prompt-editor/plugins/request-url-block/request-url-block-replacement-block.tsx b/web/app/components/base/prompt-editor/plugins/request-url-block/request-url-block-replacement-block.tsx
new file mode 100644
index 0000000000..843fb578d5
--- /dev/null
+++ b/web/app/components/base/prompt-editor/plugins/request-url-block/request-url-block-replacement-block.tsx
@@ -0,0 +1,60 @@
+import {
+  memo,
+  useCallback,
+  useEffect,
+} from 'react'
+import { $applyNodeReplacement } from 'lexical'
+import { mergeRegister } from '@lexical/utils'
+import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext'
+import { decoratorTransform } from '../../utils'
+import { REQUEST_URL_PLACEHOLDER_TEXT } from '../../constants'
+import type { RequestURLBlockType } from '../../types'
+import {
+  $createRequestURLBlockNode,
+  RequestURLBlockNode,
+} from '../request-url-block/node'
+import { CustomTextNode } from '../custom-text/node'
+
+const REGEX = new RegExp(REQUEST_URL_PLACEHOLDER_TEXT)
+
+const RequestURLBlockReplacementBlock = ({
+  onInsert,
+}: RequestURLBlockType) => {
+  const [editor] = useLexicalComposerContext()
+
+  useEffect(() => {
+    if (!editor.hasNodes([RequestURLBlockNode]))
+      throw new Error('RequestURLBlockNodePlugin: RequestURLBlockNode not registered on editor')
+  }, [editor])
+
+  const createRequestURLBlockNode = useCallback((): RequestURLBlockNode => {
+    if (onInsert)
+      onInsert()
+    return $applyNodeReplacement($createRequestURLBlockNode())
+  }, [onInsert])
+
+  const getMatch = useCallback((text: string) => {
+    const matchArr = REGEX.exec(text)
+
+    if (matchArr === null)
+      return null
+
+    const startOffset = matchArr.index
+    const endOffset = startOffset + REQUEST_URL_PLACEHOLDER_TEXT.length
+    return {
+      end: endOffset,
+      start: startOffset,
+    }
+  }, [])
+
+  useEffect(() => {
+    REGEX.lastIndex = 0
+    return mergeRegister(
+      editor.registerNodeTransform(CustomTextNode, textNode => decoratorTransform(textNode, getMatch, createRequestURLBlockNode)),
+    )
+  }, [])
+
+  return null
+}
+
+export default memo(RequestURLBlockReplacementBlock)
diff --git a/web/app/components/base/prompt-editor/types.ts b/web/app/components/base/prompt-editor/types.ts
index db182e4a51..f250d449ce 100644
--- a/web/app/components/base/prompt-editor/types.ts
+++ b/web/app/components/base/prompt-editor/types.ts
@@ -45,6 +45,13 @@ export type HistoryBlockType = {
   onEditRole?: () => void
 }
 
+export type RequestURLBlockType = {
+  show?: boolean
+  selectable?: boolean
+  onInsert?: () => void
+  onDelete?: () => void
+}
+
 export type VariableBlockType = {
   show?: boolean
   variables?: Option[]
diff --git a/web/app/components/workflow/nodes/human-input/components/delivery-method/email-configure-modal.tsx b/web/app/components/workflow/nodes/human-input/components/delivery-method/email-configure-modal.tsx
index 5731efa969..06d7354520 100644
--- a/web/app/components/workflow/nodes/human-input/components/delivery-method/email-configure-modal.tsx
+++ b/web/app/components/workflow/nodes/human-input/components/delivery-method/email-configure-modal.tsx
@@ -3,37 +3,43 @@ import { useTranslation } from 'react-i18next'
 import { RiCloseLine } from '@remixicon/react'
 import Modal from '@/app/components/base/modal'
 import Input from '@/app/components/base/input'
-import TextArea from '@/app/components/base/textarea'
 import Button from '@/app/components/base/button'
+import MailBodyInput from './mail-body-input'
+import type { EmailConfig, Recipient } from '../../types'
+import type {
+  Node,
+  NodeOutPutVar,
+} from '@/app/components/workflow/types'
 import { noop } from 'lodash-es'
 
 const i18nPrefix = 'workflow.nodes.humanInput'
 
-type Recipient = {
-  value: string
-  label: string
-}
-
 type EmailConfigureModalProps = {
   isShow: boolean
   onClose: () => void
   onConfirm: (data: any) => void
+  config?: EmailConfig
+  nodesOutputVars?: NodeOutPutVar[]
+  availableNodes?: Node[]
 }
 
 const EmailConfigureModal = ({
   isShow,
   onClose,
   onConfirm,
+  config,
+  nodesOutputVars = [],
+  availableNodes = [],
 }: EmailConfigureModalProps) => {
   const { t } = useTranslation()
 
-  const [recipients, setRecipients] = useState<Recipient[]>([])
-  const [subject, setSubject] = useState('')
-  const [body, setBody] = useState('')
+  const [recipients, setRecipients] = useState<Recipient[]>(config?.recipients || [])
+  const [subject, setSubject] = useState(config?.subject || '')
+  const [body, setBody] = useState(config?.body || '')
 
   const handleConfirm = useCallback(() => {
     onConfirm({
-      recipients: recipients.map(recipient => recipient.value),
+      recipients,
       subject,
       body,
     })
@@ -73,11 +79,11 @@ const EmailConfigureModal = ({
           <div className='system-sm-medium mb-1 flex h-6 items-center text-text-secondary'>
             {t(`${i18nPrefix}.deliveryMethod.emailConfigure.body`)}
           </div>
-          <TextArea
-            className="min-h-[200px] w-full"
+          <MailBodyInput
             value={body}
-            onChange={e => setBody(e.target.value)}
-            placeholder={t('email.configure.enterBody', 'Enter email content')}
+            onChange={setBody}
+            nodesOutputVars={nodesOutputVars}
+            availableNodes={availableNodes}
           />
         </div>
       </div>
diff --git a/web/app/components/workflow/nodes/human-input/components/delivery-method/index.tsx b/web/app/components/workflow/nodes/human-input/components/delivery-method/index.tsx
index edb394f530..ad5d206ffc 100644
--- a/web/app/components/workflow/nodes/human-input/components/delivery-method/index.tsx
+++ b/web/app/components/workflow/nodes/human-input/components/delivery-method/index.tsx
@@ -5,15 +5,26 @@ import Tooltip from '@/app/components/base/tooltip'
 import MethodSelector from './method-selector'
 import MethodItem from './method-item'
 import type { DeliveryMethod, DeliveryMethodType } from '../../types'
+import type {
+  Node,
+  NodeOutPutVar,
+} from '@/app/components/workflow/types'
 
 const i18nPrefix = 'workflow.nodes.humanInput'
 
 type Props = {
   value: DeliveryMethod[]
-  onchange: (value: DeliveryMethod[]) => void
+  nodesOutputVars?: NodeOutPutVar[]
+  availableNodes?: Node[]
+  onChange: (value: DeliveryMethod[]) => void
 }
 
-const DeliveryMethodForm: React.FC<Props> = ({ value, onchange }) => {
+const DeliveryMethodForm: React.FC<Props> = ({
+  value,
+  nodesOutputVars,
+  availableNodes,
+  onChange,
+}) => {
   const { t } = useTranslation()
 
   const handleMethodChange = (target: DeliveryMethod) => {
@@ -22,17 +33,17 @@ const DeliveryMethodForm: React.FC<Props> = ({ value, onchange }) => {
       if (index !== -1)
         draft[index] = target
     })
-    onchange(newMethods)
+    onChange(newMethods)
   }
 
   const handleMethodAdd = (newMethod: DeliveryMethod) => {
     const newMethods = [...value, newMethod]
-    onchange(newMethods)
+    onChange(newMethods)
   }
 
   const handleMethodDelete = (type: DeliveryMethodType) => {
     const newMethods = value.filter(method => method.type !== type)
-    onchange(newMethods)
+    onChange(newMethods)
   }
 
   return (
@@ -62,6 +73,8 @@ const DeliveryMethodForm: React.FC<Props> = ({ value, onchange }) => {
               key={index}
               onChange={handleMethodChange}
               onDelete={handleMethodDelete}
+              nodesOutputVars={nodesOutputVars}
+              availableNodes={availableNodes}
             />
           ))}
         </div>
diff --git a/web/app/components/workflow/nodes/human-input/components/delivery-method/mail-body-input.tsx b/web/app/components/workflow/nodes/human-input/components/delivery-method/mail-body-input.tsx
new file mode 100644
index 0000000000..5971de1ed6
--- /dev/null
+++ b/web/app/components/workflow/nodes/human-input/components/delivery-method/mail-body-input.tsx
@@ -0,0 +1,65 @@
+import { useTranslation } from 'react-i18next'
+import PromptEditor from '@/app/components/base/prompt-editor'
+import Placeholder from '@/app/components/workflow/nodes/tool/components/mixed-variable-text-input/placeholder'
+import type {
+  Node,
+  NodeOutPutVar,
+} from '@/app/components/workflow/types'
+import { BlockEnum } from '@/app/components/workflow/types'
+import cn from '@/utils/classnames'
+
+type MailBodyInputProps = {
+  readOnly?: boolean
+  nodesOutputVars?: NodeOutPutVar[]
+  availableNodes?: Node[]
+  value?: string
+  onChange?: (text: string) => void
+}
+
+const MailBodyInput = ({
+  readOnly = false,
+  nodesOutputVars,
+  availableNodes = [],
+  value = '',
+  onChange,
+}: MailBodyInputProps) => {
+  const { t } = useTranslation()
+
+  return (
+    <PromptEditor
+      wrapperClassName={cn(
+        'w-full rounded-lg border border-transparent bg-components-input-bg-normal px-2 py-1',
+        'hover:border-components-input-border-hover hover:bg-components-input-bg-hover',
+        'focus-within:border-components-input-border-active focus-within:bg-components-input-bg-active focus-within:shadow-xs',
+      )}
+      className='caret:text-text-accent min-h-[128px]'
+      editable={!readOnly}
+      value={value}
+      workflowVariableBlock={{
+        show: true,
+        variables: nodesOutputVars || [],
+        workflowNodesMap: availableNodes.reduce((acc, node) => {
+          acc[node.id] = {
+            title: node.data.title,
+            type: node.data.type,
+          }
+          if (node.data.type === BlockEnum.Start) {
+            acc.sys = {
+              title: t('workflow.blocks.start'),
+              type: BlockEnum.Start,
+            }
+          }
+          return acc
+        }, {} as any),
+      }}
+      requestURLBlock={{
+        show: true,
+        selectable: true,
+      }}
+      placeholder={<Placeholder hideBadge />}
+      onChange={onChange}
+    />
+  )
+}
+
+export default MailBodyInput
diff --git a/web/app/components/workflow/nodes/human-input/components/delivery-method/method-item.tsx b/web/app/components/workflow/nodes/human-input/components/delivery-method/method-item.tsx
index 471558775e..192bc69080 100644
--- a/web/app/components/workflow/nodes/human-input/components/delivery-method/method-item.tsx
+++ b/web/app/components/workflow/nodes/human-input/components/delivery-method/method-item.tsx
@@ -13,17 +13,29 @@ import Indicator from '@/app/components/header/indicator'
 import EmailConfigureModal from './email-configure-modal'
 import type { DeliveryMethod } from '../../types'
 import { DeliveryMethodType } from '../../types'
+import type {
+  Node,
+  NodeOutPutVar,
+} from '@/app/components/workflow/types'
 import cn from '@/utils/classnames'
 
 const i18nPrefix = 'workflow.nodes.humanInput'
 
 type Props = {
   method: DeliveryMethod
+  nodesOutputVars?: NodeOutPutVar[]
+  availableNodes?: Node[]
   onChange: (method: DeliveryMethod) => void
   onDelete: (type: DeliveryMethodType) => void
 }
 
-const DeliveryMethodItem: React.FC<Props> = ({ method, onChange, onDelete }) => {
+const DeliveryMethodItem: React.FC<Props> = ({
+  method,
+  nodesOutputVars,
+  availableNodes,
+  onChange,
+  onDelete,
+}) => {
   const { t } = useTranslation()
   const [isHovering, setIsHovering] = React.useState(false)
   const [showEmailModal, setShowEmailModal] = React.useState(false)
@@ -35,6 +47,13 @@ const DeliveryMethodItem: React.FC<Props> = ({ method, onChange, onDelete }) =>
     })
   }
 
+  const handleConfigChange = (config: any) => {
+    onChange({
+      ...method,
+      config,
+    })
+  }
+
   return (
     <>
       <div
@@ -93,9 +112,12 @@ const DeliveryMethodItem: React.FC<Props> = ({ method, onChange, onDelete }) =>
       {showEmailModal && (
         <EmailConfigureModal
           isShow={showEmailModal}
+          config={method.config}
+          nodesOutputVars={nodesOutputVars}
+          availableNodes={availableNodes}
           onClose={() => setShowEmailModal(false)}
           onConfirm={(data) => {
-            onChange({ ...method, ...data })
+            handleConfigChange(data)
             setShowEmailModal(false)
           }}
         />
diff --git a/web/app/components/workflow/nodes/human-input/node.tsx b/web/app/components/workflow/nodes/human-input/node.tsx
index 4f0e95d2fc..7e3df742f4 100644
--- a/web/app/components/workflow/nodes/human-input/node.tsx
+++ b/web/app/components/workflow/nodes/human-input/node.tsx
@@ -47,10 +47,10 @@ const Node: FC<NodeProps<HumanInputNodeType>> = (props) => {
         <div className='space-y-0.5 py-1'>
           {userActions.map(userAction => (
             <div key={userAction.id} className='relative flex flex-row-reverse items-center px-4 py-1'>
-              <span className='system-xs-semibold-uppercase truncate text-text-secondary'>{userAction.name}</span>
+              <span className='system-xs-semibold-uppercase truncate text-text-secondary'>{userAction.id}</span>
               <NodeSourceHandle
                 {...props}
-                handleId={userAction.name}
+                handleId={userAction.id}
                 handleClassName='!top-1/2 !-right-[9px] !-translate-y-1/2'
               />
             </div>
diff --git a/web/app/components/workflow/nodes/human-input/panel.tsx b/web/app/components/workflow/nodes/human-input/panel.tsx
index 9a7b79cba8..dbb143e757 100644
--- a/web/app/components/workflow/nodes/human-input/panel.tsx
+++ b/web/app/components/workflow/nodes/human-input/panel.tsx
@@ -14,6 +14,9 @@ import Divider from '@/app/components/base/divider'
 import DeliveryMethod from './components/delivery-method'
 import UserActionItem from './components/user-action'
 import TimeoutInput from './components/timeout'
+import useAvailableVarList from '@/app/components/workflow/nodes/_base/hooks/use-available-var-list'
+import { VarType } from '@/app/components/workflow/types'
+import type { Var } from '@/app/components/workflow/types'
 
 const i18nPrefix = 'workflow.nodes.humanInput'
 
@@ -30,12 +33,22 @@ const Panel: FC<NodePanelProps<HumanInputNodeType>> = ({
     handleUserActionDelete,
     handleTimeoutChange,
   } = useConfig(id, data)
+
+  const { availableVars, availableNodesWithParent } = useAvailableVarList(id, {
+    onlyLeafNodeVar: false,
+    filterVar: (varPayload: Var) => {
+      return [VarType.string, VarType.number, VarType.secret].includes(varPayload.type)
+    },
+  })
+
   return (
     <div className='py-2'>
       {/* delivery methods */}
       <DeliveryMethod
         value={inputs.delivery_methods || []}
-        onchange={handleDeliveryMethodChange}
+        nodesOutputVars={availableVars}
+        availableNodes={availableNodesWithParent}
+        onChange={handleDeliveryMethodChange}
       />
       <div className='px-4 py-2'>
         <Divider className='!my-0 !h-px !bg-divider-subtle' />
diff --git a/web/app/components/workflow/nodes/human-input/types.ts b/web/app/components/workflow/nodes/human-input/types.ts
index b27c164f73..a51f537ab9 100644
--- a/web/app/components/workflow/nodes/human-input/types.ts
+++ b/web/app/components/workflow/nodes/human-input/types.ts
@@ -19,10 +19,22 @@ export enum DeliveryMethodType {
   Slack = 'slack',
 }
 
+export type Recipient = {
+  type: 'member' | 'external'
+  email?: string
+  user_id?: string
+}
+
+export type EmailConfig = {
+  recipients: Recipient[]
+  subject: string
+  body: string
+}
+
 export type DeliveryMethod = {
   type: DeliveryMethodType
   enabled: boolean
-  config?: Record<string, any>
+  config?: EmailConfig
 }
 
 export enum UserActionButtonType {
diff --git a/web/app/components/workflow/nodes/tool/components/mixed-variable-text-input/placeholder.tsx b/web/app/components/workflow/nodes/tool/components/mixed-variable-text-input/placeholder.tsx
index 3337d6ae66..4227afee6e 100644
--- a/web/app/components/workflow/nodes/tool/components/mixed-variable-text-input/placeholder.tsx
+++ b/web/app/components/workflow/nodes/tool/components/mixed-variable-text-input/placeholder.tsx
@@ -5,8 +5,13 @@ import { FOCUS_COMMAND } from 'lexical'
 import { $insertNodes } from 'lexical'
 import { CustomTextNode } from '@/app/components/base/prompt-editor/plugins/custom-text/node'
 import Badge from '@/app/components/base/badge'
+import cn from '@/utils/classnames'
 
-const Placeholder = () => {
+type Props = {
+  hideBadge?: boolean
+}
+
+const Placeholder = ({ hideBadge }: Props) => {
   const { t } = useTranslation()
   const [editor] = useLexicalComposerContext()
 
@@ -20,30 +25,37 @@ const Placeholder = () => {
 
   return (
     <div
-      className='pointer-events-auto flex h-full w-full cursor-text items-center px-2'
+      className={cn(
+        'pointer-events-auto flex h-full w-full cursor-text px-2',
+        !hideBadge ? 'items-center' : 'items-start py-1',
+      )}
       onClick={(e) => {
         e.stopPropagation()
         handleInsert('')
       }}
     >
-      <div className='flex grow items-center'>
-        {t('workflow.nodes.tool.insertPlaceholder1')}
-        <div className='system-kbd mx-0.5 flex h-4 w-4 items-center justify-center rounded bg-components-kbd-bg-gray text-text-placeholder'>/</div>
-        <div
-          className='system-sm-regular cursor-pointer text-components-input-text-placeholder underline decoration-dotted decoration-auto underline-offset-auto hover:text-text-tertiary'
-          onClick={((e) => {
-            e.stopPropagation()
-            handleInsert('/')
-          })}
-        >
-          {t('workflow.nodes.tool.insertPlaceholder2')}
+      <div className={cn('flex grow items-center')}>
+        <div className='flex items-center'>
+          {t('workflow.nodes.tool.insertPlaceholder1')}
+          <div className='system-kbd mx-0.5 flex h-4 w-4 items-center justify-center rounded bg-components-kbd-bg-gray text-text-placeholder'>/</div>
+          <div
+            className='system-sm-regular cursor-pointer text-components-input-text-placeholder underline decoration-dotted decoration-auto underline-offset-auto hover:text-text-tertiary'
+            onClick={((e) => {
+              e.stopPropagation()
+              handleInsert('/')
+            })}
+          >
+            {t('workflow.nodes.tool.insertPlaceholder2')}
+          </div>
         </div>
       </div>
-      <Badge
-        className='shrink-0'
-        text='String'
-        uppercase={false}
-      />
+      {!hideBadge && (
+        <Badge
+          className='shrink-0'
+          text='String'
+          uppercase={false}
+        />
+      )}
     </div>
   )
 }
diff --git a/web/i18n/en-US/common.ts b/web/i18n/en-US/common.ts
index d9b17dcbad..245ba79a01 100644
--- a/web/i18n/en-US/common.ts
+++ b/web/i18n/en-US/common.ts
@@ -664,6 +664,12 @@ const translation = {
         desc: 'Insert user query template',
       },
     },
+    requestURL: {
+      item: {
+        title: 'Request URL',
+        desc: 'Insert request URL',
+      },
+    },
     existed: 'Already exists in the prompt',
   },
   imageUploader: {
diff --git a/web/i18n/zh-Hans/common.ts b/web/i18n/zh-Hans/common.ts
index e51b84c37e..cd884d9005 100644
--- a/web/i18n/zh-Hans/common.ts
+++ b/web/i18n/zh-Hans/common.ts
@@ -664,6 +664,12 @@ const translation = {
         desc: '插入用户查询模板',
       },
     },
+    requestURL: {
+      item: {
+        title: '请求 URL',
+        desc: '插入请求 URL',
+      },
+    },
     existed: 'Prompt 中已存在',
   },
   imageUploader: {