diff --git a/lsfx-mock-server/services/file_service.py b/lsfx-mock-server/services/file_service.py
index 50a02d4b..758196a6 100644
--- a/lsfx-mock-server/services/file_service.py
+++ b/lsfx-mock-server/services/file_service.py
@@ -136,6 +136,11 @@ class FileRecord:
     abnormal_accounts: List[dict] = field(default_factory=list)
 
 
+class _NoopAbnormalAccountBaselineService:
+    def apply(self, staff_id_card: str, abnormal_accounts: List[dict]) -> None:
+        return None
+
+
 class FileService:
     """文件上传和解析服务"""
 
@@ -143,11 +148,19 @@ class FileService:
     LOG_ID_MIN = settings.INITIAL_LOG_ID
     LOG_ID_MAX = 99999
 
-    def __init__(self, staff_identity_repository=None, phase2_baseline_service=None):
+    def __init__(
+        self,
+        staff_identity_repository=None,
+        phase2_baseline_service=None,
+        abnormal_account_baseline_service=None,
+    ):
         self.file_records: Dict[int, FileRecord] = {}  # logId -> FileRecord
         self.log_counter = settings.INITIAL_LOG_ID
         self.staff_identity_repository = staff_identity_repository or StaffIdentityRepository()
         self.phase2_baseline_service = phase2_baseline_service or Phase2BaselineService()
+        self.abnormal_account_baseline_service = (
+            abnormal_account_baseline_service or _NoopAbnormalAccountBaselineService()
+        )
 
     def get_file_record(self, log_id: int) -> FileRecord:
         """按 logId 获取已存在的文件记录。"""
@@ -452,6 +465,17 @@ class FileService:
             baseline_rule_codes=baseline_rule_codes,
         )
 
+    def _apply_abnormal_account_baselines(self, file_record: FileRecord) -> None:
+        """按当前记录命中的异常账户规则幂等补齐账户事实。"""
+        if not file_record.abnormal_account_hit_rules:
+            return
+        if not file_record.abnormal_accounts:
+            raise RuntimeError("异常账户命中计划存在，但未生成账户事实")
+        self.abnormal_account_baseline_service.apply(
+            staff_id_card=file_record.staff_id_card,
+            abnormal_accounts=file_record.abnormal_accounts,
+        )
+
     async def upload_file(
         self, group_id: int, file: UploadFile, background_tasks: BackgroundTasks
     ) -> Dict:
@@ -513,7 +537,7 @@ class FileService:
             ),
         )
 
-        # 存储记录
+        self._apply_abnormal_account_baselines(file_record)
         self.file_records[log_id] = file_record
         self._rebalance_all_mode_group_rule_plans(group_id)
         self._apply_phase2_baselines(file_record)
@@ -851,6 +875,7 @@ class FileService:
             parsing=False,
         )
 
+        self._apply_abnormal_account_baselines(file_record)
         self.file_records[log_id] = file_record
         self._rebalance_all_mode_group_rule_plans(group_id)
         self._apply_phase2_baselines(file_record)
diff --git a/lsfx-mock-server/tests/test_file_service.py b/lsfx-mock-server/tests/test_file_service.py
index aa90c767..d62251cc 100644
--- a/lsfx-mock-server/tests/test_file_service.py
+++ b/lsfx-mock-server/tests/test_file_service.py
@@ -5,6 +5,7 @@ FileService 单一主绑定语义测试
 import asyncio
 import io
 
+import pytest
 from fastapi import BackgroundTasks
 from fastapi.datastructures import UploadFile
 
@@ -27,6 +28,22 @@ class FakeStaffIdentityRepository:
         }
 
 
+class FakeAbnormalAccountBaselineService:
+    def __init__(self, should_fail=False):
+        self.should_fail = should_fail
+        self.calls = []
+
+    def apply(self, staff_id_card, abnormal_accounts):
+        self.calls.append(
+            {
+                "staff_id_card": staff_id_card,
+                "abnormal_accounts": [dict(item) for item in abnormal_accounts],
+            }
+        )
+        if self.should_fail:
+            raise RuntimeError("baseline sync failed")
+
+
 def test_upload_file_primary_binding_response(monkeypatch):
     """同一 logId 的主绑定必须稳定且只保留一组主体/账号信息。"""
     service = FileService(staff_identity_repository=FakeStaffIdentityRepository())
@@ -186,6 +203,56 @@ def test_fetch_inner_flow_should_attach_abnormal_account_rule_plan():
     assert isinstance(record.abnormal_accounts, list)
 
 
+def test_fetch_inner_flow_should_sync_abnormal_account_baselines_before_caching():
+    baseline_service = FakeAbnormalAccountBaselineService()
+    service = FileService(
+        staff_identity_repository=FakeStaffIdentityRepository(),
+        abnormal_account_baseline_service=baseline_service,
+    )
+
+    response = service.fetch_inner_flow(
+        {
+            "groupId": 1001,
+            "customerNo": "customer_abnormal_baseline",
+            "dataChannelCode": "test_code",
+            "requestDateId": 20240101,
+            "dataStartDateId": 20240101,
+            "dataEndDateId": 20240131,
+            "uploadUserId": 902001,
+        }
+    )
+
+    log_id = response["data"][0]
+    record = service.file_records[log_id]
+
+    assert baseline_service.calls
+    assert baseline_service.calls[0]["staff_id_card"] == record.staff_id_card
+    assert baseline_service.calls[0]["abnormal_accounts"] == record.abnormal_accounts
+
+
+def test_fetch_inner_flow_should_not_cache_log_id_when_abnormal_account_baseline_sync_fails():
+    baseline_service = FakeAbnormalAccountBaselineService(should_fail=True)
+    service = FileService(
+        staff_identity_repository=FakeStaffIdentityRepository(),
+        abnormal_account_baseline_service=baseline_service,
+    )
+
+    with pytest.raises(RuntimeError, match="baseline sync failed"):
+        service.fetch_inner_flow(
+            {
+                "groupId": 1001,
+                "customerNo": "customer_abnormal_baseline_fail",
+                "dataChannelCode": "test_code",
+                "requestDateId": 20240101,
+                "dataStartDateId": 20240101,
+                "dataEndDateId": 20240131,
+                "uploadUserId": 902001,
+            }
+        )
+
+    assert service.file_records == {}
+
+
 def test_generate_log_id_should_retry_when_random_value_conflicts(monkeypatch):
     """随机 logId 命中已存在记录时必须重试并返回未占用值。"""
     service = FileService(staff_identity_repository=FakeStaffIdentityRepository())