diff --git a/vscode/src/panel/handlers/handoffRequest.test.ts b/vscode/src/panel/handlers/handoffRequest.test.ts
index 12f42ea..81108a6 100644
--- a/vscode/src/panel/handlers/handoffRequest.test.ts
+++ b/vscode/src/panel/handlers/handoffRequest.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest'
-import { canAnswerHandoffRequest, canAskHandoff, canCancelHandoffRequest, handoffRequestNotices } from './handoffRequest'
+import { canAnswerHandoffRequest, canAskHandoff, canCancelHandoffRequest, handoffRequestNotices, handoffRequestSystemNotice } from './handoffRequest'
 
 const review = {
   source: 'gitea' as const,
@@ -37,6 +37,34 @@ describe('移交申请', () => {
       .toEqual(['#435 没交出来：会话太大'])
   })
 
+  it('系统通知只打给负责人，同一条申请不重复', () => {
+    expect(handoffRequestSystemNotice({
+      issueNumber: 435,
+      me: 'chw',
+      assignees: ['chw'],
+      from: 'cruldra',
+    })).toBe('cruldra 想要 #435')
+    expect(handoffRequestSystemNotice({
+      issueNumber: 435,
+      me: 'chw',
+      assignees: ['chw'],
+      from: 'cruldra',
+      seenFrom: 'cruldra',
+    })).toBeUndefined()
+    expect(handoffRequestSystemNotice({
+      issueNumber: 435,
+      me: 'cruldra',
+      assignees: ['chw'],
+      from: 'cruldra',
+    })).toBeUndefined()
+    expect(handoffRequestSystemNotice({
+      issueNumber: 435,
+      me: 'other',
+      assignees: ['chw'],
+      from: 'cruldra',
+    })).toBeUndefined()
+  })
+
   it('只有负责人能同意或拒绝', () => {
     const pending = { ...review, handoffRequestFrom: 'cruldra' }
     expect(canAnswerHandoffRequest(pending, 'chw')).toBe(true)
diff --git a/vscode/src/panel/handlers/handoffRequest.ts b/vscode/src/panel/handlers/handoffRequest.ts
index f2f4e2e..cde49a9 100644
--- a/vscode/src/panel/handlers/handoffRequest.ts
+++ b/vscode/src/panel/handlers/handoffRequest.ts
@@ -50,6 +50,22 @@ export function handoffRequestNotices(before: HandoffRequestFacts & { number: nu
   return notices
 }
 
+/** 负责人没开着看板也能看到的那一句。同一申请人不重复。 */
+export function handoffRequestSystemNotice(opts: {
+  issueNumber: number
+  me?: string
+  assignees: string[]
+  from?: string
+  seenFrom?: string
+}): string | undefined {
+  const from = opts.from?.trim()
+  if (!from || !opts.me || from === opts.me || from === opts.seenFrom)
+    return
+  if (!opts.assignees.includes(opts.me))
+    return
+  return `${from} 想要 #${opts.issueNumber}`
+}
+
 export function canAnswerHandoffRequest(issue: HandoffRequestFacts, me: string | undefined): boolean {
   return !!me
     && openReview(issue)
diff --git a/vscode/src/webhook/coordinator.ts b/vscode/src/webhook/coordinator.ts
index 6e5c8e1..4ec8fd8 100644
--- a/vscode/src/webhook/coordinator.ts
+++ b/vscode/src/webhook/coordinator.ts
@@ -28,6 +28,7 @@ import { hasReviewMarker, parseClosingIssueNumber, stripReviewMarker } from '../
 import { hasStateColumn, mergeStateJsonComment, mergeStateJsonCommentGuarded, readStateJsonComment } from '../gitea/stateJson'
 import { getLocalIssueState, mergeLocalIssueState, overlayLocalIssueState } from '../issues/localState'
 import { logger } from '../logging/logger'
+import { handoffRequestSystemNotice } from '../panel/handlers/handoffRequest'
 import * as issueChat from '../panel/handlers/issueChat'
 import { hasLiveIssueSessionTerminal } from '../panel/handlers/terminals'
 import { DEFAULT_KANBAN_SCOPE, KANBAN_SCOPE_KEY } from '../panel/kanbanScope'
@@ -68,6 +69,16 @@ const BODY_MARKERS = [
 /** 本次从 body 里扫出来的 marker 值，按 state JSON 字段名索引。 */
 type MarkerPatch = { [K in typeof BODY_MARKERS[number]['field']]?: string }
 
+function handoffRequestFromOf(body: string): string {
+  try {
+    const obj = JSON.parse(body) as { handoffRequestFrom?: unknown }
+    return typeof obj.handoffRequestFrom === 'string' ? obj.handoffRequestFrom.trim() : ''
+  }
+  catch {
+    return ''
+  }
+}
+
 function parseBodyMarkers(body: string): MarkerPatch {
   const out: MarkerPatch = {}
   for (const { type, field, ext } of BODY_MARKERS) {
@@ -100,6 +111,8 @@ class WebhookCoordinator {
   private eventSubscription?: { dispose: () => void }
   /** 同 issue 自动审查启动中不重入（opened 与 synchronize 常连发）。 */
   private reviewInFlight = new Set<number>()
+  /** 已经为这条移交申请通知过负责人。申请取消后清掉。 */
+  private handoffRequestSeen = new Map<number, string>()
 
   /** Called once from extension.ts activate(). Idempotent. */
   init(ctx: ExtensionContext): void {
@@ -1436,6 +1449,55 @@ class WebhookCoordinator {
    * first review and `injectIntoImplTerminal` appends the merge-to-main
    * suffix.
    */
+  /** 申请移交时给负责人发系统通知。看板关着也发。 */
+  private async notifyHandoffRequest(event: IssueCommentWebhookEvent): Promise<void> {
+    const from = handoffRequestFromOf(event.commentBody)
+    if (!from) {
+      this.handoffRequestSeen.delete(event.issueNumber)
+      return
+    }
+    const seen = this.handoffRequestSeen.get(event.issueNumber) ?? ''
+    if (from === seen || !this.ctx)
+      return
+    const ws = workspace.workspaceFolders?.[0]?.uri.fsPath
+    if (!ws)
+      return
+    const remote = await detectRepo(ws)
+    if (!remote)
+      return
+    const token = await getToken(this.ctx, remote.host)
+    if (!token)
+      return
+    const me = await loginForToken(remote.host, token)
+    const payload = event.raw as { issue?: { assignees?: Array<{ login?: string } | null> | null } | null } | null
+    const assignees = (payload?.issue?.assignees ?? []).flatMap(a => (a?.login ? [a.login] : []))
+    if (!me || assignees.length === 0)
+      return
+    const notice = handoffRequestSystemNotice({
+      issueNumber: event.issueNumber,
+      me,
+      assignees,
+      from,
+      seenFrom: seen,
+    })
+    this.handoffRequestSeen.set(event.issueNumber, from)
+    if (!notice)
+      return
+    execFile('osascript', [
+      '-e',
+      `display notification ${JSON.stringify('打开看板同意或拒绝')} with title ${JSON.stringify(notice)}`,
+    ], (err) => {
+      if (err) {
+        logger.add({
+          level: 'warn',
+          source: 'webhook',
+          message: `移交申请通知发送失败 #${event.issueNumber}`,
+          details: err.message,
+        })
+      }
+    })
+  }
+
   private async handleIssueCommentCreated(event: IssueCommentWebhookEvent): Promise<void> {
     if (event.action !== 'created') {
       logger.add({
@@ -1519,6 +1581,7 @@ class WebhookCoordinator {
         source: 'webhook',
         message: `issue_comment 是 state 评论，刷新 #${event.issueNumber} 的卡片`,
       })
+      await this.notifyHandoffRequest(event)
       await this.refreshIssueCard({
         issueNumber: event.issueNumber,
         raw: event.raw,