diff --git a/backend/src/services/__tests__/inventoryDingTalkMessage.test.ts b/backend/src/services/__tests__/inventoryDingTalkMessage.test.ts
new file mode 100644
index 0000000..1a8ac34
--- /dev/null
+++ b/backend/src/services/__tests__/inventoryDingTalkMessage.test.ts
@@ -0,0 +1,22 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+import { formatInventoryTaskDingTalkContent } from '../inventoryService'
+
+test('盘点钉钉通知按任务、截止和待办分块展示', () => {
+  const content = formatInventoryTaskDingTalkContent({
+    title: '盘点测试999',
+    deadlineAt: new Date('2026-07-22T08:59:00.000Z'),
+    itemCount: 11
+  })
+
+  assert.equal(
+    content,
+    [
+      '**任务：** 盘点测试999',
+      '**截止：** 2026年7月22日 16:59',
+      '**待办：** 扫描本人名下 11 件资产',
+      '未找到或不在本人处，直接标记异常。'
+    ].join('\n\n')
+  )
+  assert.doesNotMatch(content, /责任人|部门|操作要求/)
+})
diff --git a/backend/src/services/inventoryService.ts b/backend/src/services/inventoryService.ts
index f1670f7..897d5bd 100644
--- a/backend/src/services/inventoryService.ts
+++ b/backend/src/services/inventoryService.ts
@@ -111,6 +111,17 @@ const INVENTORY_PARTICIPANT_STATUS = {
 
 const EXCLUDED_EQUIPMENT_STATUSES = ['已报废']
 
+export const formatInventoryTaskDingTalkContent = (input: {
+  title: string
+  deadlineAt: Date | null
+  itemCount: number
+}) => [
+  `**任务：** ${input.title}`,
+  `**截止：** ${input.deadlineAt ? formatBeijingDateTime(input.deadlineAt) : '未设置'}`,
+  `**待办：** 扫描本人名下 ${input.itemCount} 件资产`,
+  '未找到或不在本人处，直接标记异常。'
+].join('\n\n')
+
 const buildScopeWhere = ({ departmentIds }: NormalizedInventoryScopeInput) => {
   const where: Record<string, any> = {
     status: {
@@ -1019,15 +1030,13 @@ export const createInventoryTask = async (
         dingTalkRecipients,
         dingTalk: {
           title: '资产盘点待完成',
-          content: [
-            `盘点任务：${title}`,
-            `责任人：${participant.person_nickname}｜${participant.department_name || '未归属部门'}`,
-            `待盘资产：${participantItemCount} 件`,
-            `截止时间：${deadlineAt ? formatBeijingDateTime(deadlineAt) : '未设置'}`,
-            '操作要求：打开任务后使用手机摄像头扫描资产二维码；未找到或不在本人处的资产请直接上报异常。'
-          ].join('\n'),
-          actionTitle: '打开并开始盘点',
-          messageVersion: 'v1'
+          content: formatInventoryTaskDingTalkContent({
+            title,
+            deadlineAt,
+            itemCount: participantItemCount
+          }),
+          actionTitle: '开始盘点',
+          messageVersion: 'structured-v2'
         },
         rollout: notificationRollout
       })