diff --git a/shierfeng-fastapi-backend/module_business/service/test_batch_adoption_service.py b/shierfeng-fastapi-backend/module_business/service/test_batch_adoption_service.py
index 0a2a027..f0bf444 100644
--- a/shierfeng-fastapi-backend/module_business/service/test_batch_adoption_service.py
+++ b/shierfeng-fastapi-backend/module_business/service/test_batch_adoption_service.py
@@ -14,6 +14,8 @@ from module_business.domain.enums import TestBatchStatus
 from module_business.domain.test_batch_graph import (
     BATCH_LABELS,
     BATCH_MODELS,
+    ROOT_TABLES,
+    BatchSelection,
     TestBatchGraph,
     issue_preview_token,
     selection_hash,
@@ -21,6 +23,7 @@ from module_business.domain.test_batch_graph import (
 from module_business.entity.vo.test_batch_vo import (
     AdoptionExecuteRequestModel,
     AdoptionPreviewRequestModel,
+    AdoptionRootModel,
     BatchImpactModel,
     TestBatchPreviewModel,
 )
@@ -53,6 +56,16 @@ class TestBatchAdoptionService:
         if status != TestBatchStatus.ACTIVE.value:
             raise ServiceWarning('', '测试批次状态异常')
 
+    @staticmethod
+    def _assert_roots_exist(
+        roots: list[AdoptionRootModel],
+        selection: BatchSelection,
+    ) -> None:
+        for root in roots:
+            table_name = ROOT_TABLES[root.resource_type]
+            if not set(root.resource_ids).issubset(selection[table_name]):
+                raise ServiceWarning('', '指定的旧数据不存在')
+
     @staticmethod
     def _assert_token(batch: object, raw_token: str, now: datetime) -> None:
         supplied_hash = hashlib.sha256(raw_token.encode()).hexdigest()
@@ -80,6 +93,7 @@ class TestBatchAdoptionService:
             batch = await TestBatchDao.get_batch_for_update(db, batch_id)
             cls._assert_active(batch)
             selection = await TestBatchGraph.compute_closure(db, command.roots)
+            cls._assert_roots_exist(command.roots, selection)
             if await TestBatchAdoptionDao.find_tagged_record(db, selection) is not None:
                 raise ServiceWarning('', '存在记录已属于其他测试批次')
             display_keys = await TestBatchAdoptionDao.list_display_keys(db, selection)
diff --git a/shierfeng-fastapi-backend/tests/module_business/test_test_batch_adoption.py b/shierfeng-fastapi-backend/tests/module_business/test_test_batch_adoption.py
index 384e981..05f5c15 100644
--- a/shierfeng-fastapi-backend/tests/module_business/test_test_batch_adoption.py
+++ b/shierfeng-fastapi-backend/tests/module_business/test_test_batch_adoption.py
@@ -362,6 +362,23 @@ class TestBatchAdoptionServiceTest(unittest.IsolatedAsyncioTestCase):
         self.db.rollback.assert_awaited_once_with()
         self.db.commit.assert_not_awaited()
 
+    async def test_preview_rejects_when_any_requested_root_does_not_exist(self) -> None:
+        batch = make_batch()
+        command = AdoptionPreviewRequestModel(roots=[AdoptionRootModel(resourceType='pallet', resourceIds=[10, 999])])
+
+        with (
+            self._preview_stack(batch),
+            self.assertRaisesRegex(ServiceWarning, '指定的旧数据不存在'),
+        ):
+            await TestBatchAdoptionService.preview(self.db, 7, command, make_admin())
+
+        self.assertIsNone(batch.preview_action)
+        self.assertIsNone(batch.preview_token_hash)
+        self.assertIsNone(batch.preview_scope_hash)
+        self.assertIsNone(batch.preview_expires_at)
+        self.db.rollback.assert_awaited_once_with()
+        self.db.commit.assert_not_awaited()
+
     async def test_regular_user_is_rejected_before_locking_batch(self) -> None:
         lock_batch = AsyncMock()
         with (