diff --git a/src/record/record.service.spec.ts b/src/record/record.service.spec.ts
index 5b362b6..fe2b3c5 100644
--- a/src/record/record.service.spec.ts
+++ b/src/record/record.service.spec.ts
@@ -304,6 +304,32 @@ describe('RecordService.itemSave', () => {
     });
   });
 
+  it('计划内 must 项 + 客户端传 extraFlag=true/photoRequired=false → 仍存 photoRequired=true（不可绕过）', async () => {
+    const recordFindUnique = vi.fn().mockResolvedValue(servingRecord);
+    const orderFindUnique = vi.fn().mockResolvedValue({ id: 'o1', itemList: [{ svcId: 'svc1', photoTier: 'must' }] });
+    const svcOrgFindFirst = vi.fn().mockResolvedValue({ id: 'svc1', srcType: 'national', srcId: 'nat1' });
+    const svcNationalFindFirst = vi.fn().mockResolvedValue({ natName: '协助翻身' });
+    const recordItemCreate = vi.fn().mockResolvedValue({ id: 'ri1' });
+    const { service } = makeService({
+      recordFindUnique,
+      orderFindUnique,
+      svcOrgFindFirst,
+      svcNationalFindFirst,
+      recordItemCreate,
+    });
+
+    await runWithRequestContext(ctx, () =>
+      service.itemSave({
+        recordId: 'r1',
+        items: [{ svcId: 'svc1', execResult: 'done', extraFlag: true, photoRequired: false }],
+      }),
+    );
+
+    expect(recordItemCreate).toHaveBeenCalledWith({
+      data: expect.objectContaining({ svcId: 'svc1', photoRequired: true }),
+    });
+  });
+
   it('svc_id 非本机构 L4 → SVC_ORG_NOT_FOUND', async () => {
     const recordFindUnique = vi.fn().mockResolvedValue(servingRecord);
     const svcOrgFindFirst = vi.fn().mockResolvedValue(null);
@@ -449,6 +475,19 @@ describe('RecordService.offlineSync', () => {
     expect(recordCreate).not.toHaveBeenCalled();
   });
 
+  it('未派单工单（assigneeId 为 null）→ RECORD_ORDER_INVALID', async () => {
+    const orderFindUnique = vi.fn().mockResolvedValue({ id: 'o1', orderStatus: 'to_assign', elderId: 'e1', assigneeId: null });
+    const { service, recordCreate } = makeService({ orderFindUnique });
+
+    await expect(
+      runWithRequestContext(ctx, () =>
+        service.offlineSync({ clientMd5: 'md5-3', orderId: 'o1', elderId: 'e1', assigneeId: 'staff1', checkinTime: '2026-10-15T02:00:00Z' }),
+      ),
+    ).rejects.toMatchObject({ response: { code: ErrorCodes.RECORD_ORDER_INVALID } });
+
+    expect(recordCreate).not.toHaveBeenCalled();
+  });
+
   it('离线新建完整 record（elder/assignee 以 order 为准 + offline_flag + is_prepaid + items/photos 一次性）', async () => {
     const orderFindUnique = vi.fn().mockResolvedValue({
       id: 'o1',
diff --git a/src/record/record.service.ts b/src/record/record.service.ts
index c339b59..dee93ba 100644
--- a/src/record/record.service.ts
+++ b/src/record/record.service.ts
@@ -190,6 +190,9 @@ export class RecordService {
     if (!order) {
       throw new BusinessException(ErrorCodes.RECORD_ORDER_INVALID, '工单不存在', HttpStatus.NOT_FOUND);
     }
+    if (!order.assigneeId) {
+      throw new BusinessException(ErrorCodes.RECORD_ORDER_INVALID, '工单未派单，无法留痕', HttpStatus.BAD_REQUEST);
+    }
     // elderId/assigneeId 以 order 为准（忽略 DTO 的这两个字段，防 order/elder/assignee 不匹配）。
     const elder = await this.prisma.client.elder.findFirst({ where: { id: order.elderId } });
     if (!elder) {
@@ -413,15 +416,16 @@ export class RecordService {
   }
 
   /**
-   * 必拍档来源是 order.item_list 的 photo_tier（快照自 plan_item），不可信客户端 DTO 的 photo_required。
-   * 仅 extraFlag 临时加项（order.item_list 无对应项）回退 DTO 值。
+   * 必拍档来源是 order.item_list 的 photo_tier（快照自 plan_item），不可信客户端 DTO 的 photo_required/extraFlag。
+   * 先按 svcId 在 item_list 找匹配项：命中则 photoRequired = (photoTier === 'must')；
+   * 仅 item_list 无对应项（真正的临时加项）才回退 DTO 值。
    */
   private resolvePhotoRequired(item: RecordItemDto, order?: Record<string, any> | null): boolean {
-    if (item.extraFlag) {
-      return item.photoRequired ?? false;
-    }
     const itemList = Array.isArray(order?.itemList) ? order.itemList : [];
     const entry = itemList.find((i: Record<string, any>) => i.svcId === item.svcId);
-    return entry?.photoTier === 'must';
+    if (entry) {
+      return entry.photoTier === 'must';
+    }
+    return item.photoRequired ?? false;
   }
 }