diff --git a/fastapi_modules/fastapi_leaudit/services/impl/documentServiceImpl.py b/fastapi_modules/fastapi_leaudit/services/impl/documentServiceImpl.py
index 2badb9d..06dae53 100644
--- a/fastapi_modules/fastapi_leaudit/services/impl/documentServiceImpl.py
+++ b/fastapi_modules/fastapi_leaudit/services/impl/documentServiceImpl.py
@@ -1186,7 +1186,6 @@ class DocumentServiceImpl(IDocumentService):
             if not current:
                 raise LeauditException(StatusCodeEnum.HTTP_404_NOT_FOUND, "文档类型不存在")
             await Session.execute(text("UPDATE leaudit_document_types SET deleted_at = NOW() WHERE id = :id"), {"id": Id})
-            await Session.execute(text("UPDATE leaudit_rule_type_bindings SET deleted_at = NOW() WHERE doc_type_id = :id AND deleted_at IS NULL"), {"id": Id})
             await Session.commit()
 
     async def ListDocumentTypeRoots(self, EntryModuleId: int | None = None) -> list[DocumentTypeRootItemVO]:
@@ -1362,27 +1361,6 @@ class DocumentServiceImpl(IDocumentService):
                 if normalizedRuleSetId not in current:
                     current.append(normalizedRuleSetId)
 
-            # 兼容历史数据：若某些文档类型尚未完成分组绑定迁移，再回退读取旧绑定表。
-            missingDocTypeIds = [docTypeId for docTypeId, ruleSetIds in bindingsMap.items() if len(ruleSetIds) == 0]
-            if missingDocTypeIds:
-                legacyBindingRows = (
-                    await Session.execute(
-                        text(
-                            """
-                            SELECT doc_type_id, rule_set_id
-                            FROM leaudit_rule_type_bindings
-                            WHERE doc_type_id = ANY(:ids) AND deleted_at IS NULL AND is_active = true
-                            ORDER BY priority DESC
-                            """
-                        ),
-                        {"ids": missingDocTypeIds},
-                    )
-                ).fetchall()
-                for docTypeId, ruleSetId in legacyBindingRows:
-                    current = bindingsMap.setdefault(int(docTypeId), [])
-                    normalizedRuleSetId = int(ruleSetId)
-                    if normalizedRuleSetId not in current:
-                        current.append(normalizedRuleSetId)
         return rows, bindingsMap
 
     async def _queryDocumentTypeRoots(self, Session, Ids: list[int] | None = None, EntryModuleId: int | None = None):
diff --git a/fastapi_modules/fastapi_leaudit/services/impl/ruleGroupSupport.py b/fastapi_modules/fastapi_leaudit/services/impl/ruleGroupSupport.py
index bc13722..99108a1 100644
--- a/fastapi_modules/fastapi_leaudit/services/impl/ruleGroupSupport.py
+++ b/fastapi_modules/fastapi_leaudit/services/impl/ruleGroupSupport.py
@@ -219,30 +219,15 @@ async def sync_group_bindings_from_doc_type(session, doc_type_id: int, rule_set_
     group_ids = await ensure_group_for_doc_type(session, doc_type_id)
     child_group_id = group_ids["child_group_id"]
 
-    legacy_bindings = (
-        await session.execute(
-            text(
-                """
-                SELECT id, rule_set_id, priority, is_active, note
-                FROM leaudit_rule_type_bindings
-                WHERE doc_type_id = :doc_type_id AND deleted_at IS NULL
-                ORDER BY priority DESC, id ASC
-                """
-            ),
-            {"doc_type_id": doc_type_id},
-        )
-    ).mappings().all()
-    binding_map = {int(row["rule_set_id"]): row for row in legacy_bindings}
     payload: list[dict[str, Any]] = []
     for index, rule_set_id in enumerate(ids):
-        current = binding_map.get(rule_set_id)
         payload.append(
             {
-                "id": current.get("id") if current else None,
                 "rule_set_id": rule_set_id,
-                "priority": int(current.get("priority") if current else 100 - index),
-                "is_active": bool(current.get("is_active") if current else True),
-                "note": current.get("note") if current else None,
+                "id": None,
+                "priority": 100 - index,
+                "is_active": True,
+                "note": None,
             }
         )
     await _replace_group_bindings(session, child_group_id, doc_type_id, payload)