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 27813ac20f..1f30380ffa 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
@@ -41,7 +41,7 @@ const EmailConfigureModal = ({
   const [recipients, setRecipients] = useState(config?.recipients || { whole_workspace: false, items: [] })
   const [subject, setSubject] = useState(config?.subject || '')
   const [body, setBody] = useState(config?.body || '')
-  const [debugMode, setDebugMode] = useState(config?.debug || false)
+  const [debugMode, setDebugMode] = useState(config?.debug_mode || false)
 
   const checkValidConfig = () => {
     if (!subject.trim()) {
@@ -81,7 +81,7 @@ const EmailConfigureModal = ({
       recipients,
       subject,
       body,
-      debug: debugMode,
+      debug_mode: debugMode,
     })
   }, [recipients, subject, body, debugMode, onConfirm])
 
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 5ea46ca481..d1c1df131c 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
@@ -13,7 +13,7 @@ import Button from '@/app/components/base/button'
 import Switch from '@/app/components/base/switch'
 import Indicator from '@/app/components/header/indicator'
 import EmailConfigureModal from './email-configure-modal'
-import type { DeliveryMethod } from '../../types'
+import type { DeliveryMethod, EmailConfig } from '../../types'
 import { DeliveryMethodType } from '../../types'
 import type {
   Node,
@@ -75,7 +75,7 @@ const DeliveryMethodItem: React.FC<Props> = ({
             </div>
           )}
           <div className='system-xs-medium capitalize text-text-secondary'>{method.type}</div>
-          {method.type === DeliveryMethodType.Email && method.config?.debug && <Badge size='s' className='!px-1 !py-0.5'>DEBUG</Badge>}
+          {method.type === DeliveryMethodType.Email && (method.config as EmailConfig)?.debug_mode && <Badge size='s' className='!px-1 !py-0.5'>DEBUG</Badge>}
         </div>
         <div className='flex items-center gap-1'>
           <div className='hidden items-end gap-1 group-hover:flex'>
@@ -122,7 +122,7 @@ const DeliveryMethodItem: React.FC<Props> = ({
       {showEmailModal && (
         <EmailConfigureModal
           isShow={showEmailModal}
-          config={method.config}
+          config={method.config as EmailConfig}
           nodesOutputVars={nodesOutputVars}
           availableNodes={availableNodes}
           onClose={() => setShowEmailModal(false)}
@@ -135,7 +135,7 @@ const DeliveryMethodItem: React.FC<Props> = ({
       {showTestEmailModal && (
         <TestEmailSender
           isShow={showTestEmailModal}
-          config={method.config}
+          config={method.config as EmailConfig}
           nodesOutputVars={nodesOutputVars}
           availableNodes={availableNodes}
           onClose={() => setShowTestEmailModal(false)}
diff --git a/web/app/components/workflow/nodes/human-input/components/delivery-method/method-selector.tsx b/web/app/components/workflow/nodes/human-input/components/delivery-method/method-selector.tsx
index 1977059c23..502398a756 100644
--- a/web/app/components/workflow/nodes/human-input/components/delivery-method/method-selector.tsx
+++ b/web/app/components/workflow/nodes/human-input/components/delivery-method/method-selector.tsx
@@ -20,6 +20,7 @@ import Badge from '@/app/components/base/badge'
 import type { DeliveryMethod } from '../../types'
 import { DeliveryMethodType } from '../../types'
 import { IS_CE_EDITION } from '@/config'
+import { v4 as uuid4 } from 'uuid'
 import cn from '@/utils/classnames'
 
 const i18nPrefix = 'workflow.nodes.humanInput'
@@ -71,8 +72,10 @@ const MethodSelector: FC<Props> = ({
                 if (data.some(method => method.type === DeliveryMethodType.WebApp))
                   return
                 onAdd({
+                  id: uuid4(),
                   type: DeliveryMethodType.WebApp,
                   enabled: true,
+                  config: {},
                 })
               }}
             >
@@ -93,6 +96,7 @@ const MethodSelector: FC<Props> = ({
                 if (data.some(method => method.type === DeliveryMethodType.Email))
                   return
                 onAdd({
+                  id: uuid4(),
                   type: DeliveryMethodType.Email,
                   enabled: false,
                 })
diff --git a/web/app/components/workflow/nodes/human-input/components/delivery-method/test-email-sender.tsx b/web/app/components/workflow/nodes/human-input/components/delivery-method/test-email-sender.tsx
index e7e22ee35b..dcaff5ea9e 100644
--- a/web/app/components/workflow/nodes/human-input/components/delivery-method/test-email-sender.tsx
+++ b/web/app/components/workflow/nodes/human-input/components/delivery-method/test-email-sender.tsx
@@ -39,24 +39,24 @@ type EmailConfigureModalProps = {
 
 const getOriginVar = (valueSelector: string[], list: NodeOutPutVar[]) => {
   const targetVar = list.find(item => item.nodeId === valueSelector[0])
-    if (!targetVar)
-      return undefined
-
-    let curr: any = targetVar.vars
-    for (let i = 1; i < valueSelector.length; i++) {
-      const key = valueSelector[i]
-      const isLast = i === valueSelector.length - 1
-
-      if (Array.isArray(curr))
-        curr = curr.find((v: any) => v.variable.replace('conversation.', '') === key)
-
-      if (isLast)
-        return curr
-      else if (curr?.type === VarType.object || curr?.type === VarType.file)
-        curr = curr.children
-    }
-
+  if (!targetVar)
     return undefined
+
+  let curr: any = targetVar.vars
+  for (let i = 1; i < valueSelector.length; i++) {
+    const key = valueSelector[i]
+    const isLast = i === valueSelector.length - 1
+
+    if (Array.isArray(curr))
+      curr = curr.find((v: any) => v.variable.replace('conversation.', '') === key)
+
+    if (isLast)
+      return curr
+    else if (curr?.type === VarType.object || curr?.type === VarType.file)
+      curr = curr.children
+  }
+
+  return undefined
 }
 
 const EmailSenderModal = ({
@@ -70,7 +70,7 @@ const EmailSenderModal = ({
   const { t } = useTranslation()
   const { userProfile, currentWorkspace } = useAppContext()
 
-  const debugEnabled = !!config?.debug
+  const debugEnabled = !!config?.debug_mode
   const onlyWholeTeam = config?.recipients?.whole_workspace && (!config?.recipients?.items || config?.recipients?.items.length === 0)
   const onlySpecificUsers = !config?.recipients?.whole_workspace && config?.recipients?.items && config?.recipients?.items.length > 0
   const combinedRecipients = config?.recipients?.whole_workspace && config?.recipients?.items && config?.recipients?.items.length > 0
diff --git a/web/app/components/workflow/nodes/human-input/types.ts b/web/app/components/workflow/nodes/human-input/types.ts
index 4a2b30e10c..9eb8822155 100644
--- a/web/app/components/workflow/nodes/human-input/types.ts
+++ b/web/app/components/workflow/nodes/human-input/types.ts
@@ -33,13 +33,14 @@ export type EmailConfig = {
   recipients: RecipientData
   subject: string
   body: string
-  debug: boolean
+  debug_mode: boolean
 }
 
 export type DeliveryMethod = {
+  id: string
   type: DeliveryMethodType
   enabled: boolean
-  config?: EmailConfig
+  config?: EmailConfig | {}
 }
 
 export type FormInputItemPlaceholder = {