diff --git a/web/features/agent-v2/agent-detail/configure/__tests__/page.spec.tsx b/web/features/agent-v2/agent-detail/configure/__tests__/page.spec.tsx
index e40ddfadd0d..f452fe01f2e 100644
--- a/web/features/agent-v2/agent-detail/configure/__tests__/page.spec.tsx
+++ b/web/features/agent-v2/agent-detail/configure/__tests__/page.spec.tsx
@@ -6,6 +6,7 @@ const mocks = vi.hoisted(() => ({
   queryState: {
     agent: {
       data: {
+        debug_conversation_id: 'debug-conversation-old',
         icon: 'agent',
         icon_background: '#E0F2FE',
         icon_type: 'emoji',
@@ -107,7 +108,13 @@ vi.mock('../components/preview/chat-features-panel', () => ({
 }))
 
 vi.mock('../components/preview/header', () => ({
-  AgentPreviewHeader: () => <div role="banner" />,
+  AgentPreviewHeader: (props: {
+    onRestart: () => void
+  }) => (
+    <button type="button" onClick={props.onRestart}>
+      restart preview
+    </button>
+  ),
 }))
 
 vi.mock('../components/preview/versions-panel', () => ({
@@ -125,6 +132,7 @@ describe('AgentConfigurePage', () => {
         icon_background: '#E0F2FE',
         icon_type: 'emoji',
         name: 'Research Agent',
+        debug_conversation_id: 'debug-conversation-old',
       },
       isFetching: false,
       isPending: false,
diff --git a/web/features/agent-v2/agent-detail/configure/components/preview/header.tsx b/web/features/agent-v2/agent-detail/configure/components/preview/header.tsx
index 2598949ba21..20d9b500d2f 100644
--- a/web/features/agent-v2/agent-detail/configure/components/preview/header.tsx
+++ b/web/features/agent-v2/agent-detail/configure/components/preview/header.tsx
@@ -1,18 +1,41 @@
 'use client'
 
+import type { AgentAppDetailWithSite } from '@dify/contracts/api/console/agent/types.gen'
 import { cn } from '@langgenius/dify-ui/cn'
+import { useMutation, useQueryClient } from '@tanstack/react-query'
 import { useTranslation } from 'react-i18next'
+import { consoleQuery } from '@/service/client'
 
 export function AgentPreviewHeader({
+  agentId,
   isChatFeaturesOpen,
   onToggleChatFeatures,
   onRestart,
 }: {
+  agentId: string
   isChatFeaturesOpen: boolean
   onToggleChatFeatures: () => void
   onRestart: () => void
 }) {
   const { t } = useTranslation('agentV2')
+  const queryClient = useQueryClient()
+  const refreshDebugConversationMutation = useMutation(consoleQuery.agent.byAgentId.debugConversation.refresh.post.mutationOptions({
+    onSuccess: ({ debug_conversation_id }) => {
+      queryClient.setQueryData<AgentAppDetailWithSite | undefined>(
+        consoleQuery.agent.byAgentId.get.queryKey({ input: { params: { agent_id: agentId } } }),
+        (agentDetail) => {
+          if (!agentDetail)
+            return agentDetail
+
+          return {
+            ...agentDetail,
+            debug_conversation_id,
+          }
+        },
+      )
+      onRestart()
+    },
+  }))
 
   return (
     <div className="flex h-12 shrink-0 items-center gap-3 py-3 pr-3 pl-6">
@@ -22,8 +45,13 @@ export function AgentPreviewHeader({
       <div className="flex shrink-0 items-center gap-1">
         <button
           type="button"
-          onClick={onRestart}
-          className="flex size-6 items-center justify-center rounded-md p-0.5 text-text-tertiary hover:bg-state-base-hover hover:text-text-secondary focus-visible:ring-2 focus-visible:ring-state-accent-solid focus-visible:outline-hidden"
+          onClick={() => refreshDebugConversationMutation.mutate({
+            params: {
+              agent_id: agentId,
+            },
+          })}
+          disabled={refreshDebugConversationMutation.isPending}
+          className="flex size-6 items-center justify-center rounded-md p-0.5 text-text-tertiary hover:bg-state-base-hover hover:text-text-secondary focus-visible:ring-2 focus-visible:ring-state-accent-solid focus-visible:outline-hidden disabled:cursor-not-allowed disabled:opacity-50"
           aria-label={t('agentDetail.configure.preview.restart')}
         >
           <span aria-hidden className="i-custom-vender-other-replay-line size-4" />
diff --git a/web/features/agent-v2/agent-detail/configure/page.tsx b/web/features/agent-v2/agent-detail/configure/page.tsx
index c242a28061f..1725ba145fa 100644
--- a/web/features/agent-v2/agent-detail/configure/page.tsx
+++ b/web/features/agent-v2/agent-detail/configure/page.tsx
@@ -139,6 +139,7 @@ function AgentConfigurePageLoadedContent({
       <div className="flex min-w-105 flex-1 gap-1 overflow-hidden">
         <div className="flex min-w-105 flex-1 flex-col overflow-hidden rounded-lg bg-background-gradient-bg-fill-chat-bg-2 shadow-xl shadow-shadow-shadow-5">
           <AgentPreviewHeader
+            agentId={agentId}
             isChatFeaturesOpen={showChatFeatures}
             onToggleChatFeatures={() => setShowChatFeatures(open => !open)}
             onRestart={() => setClearPreviewChat(true)}