diff --git a/inventory-backend/app/api/v1/transactions.py b/inventory-backend/app/api/v1/transactions.py
index dbf652e..d72056e 100644
--- a/inventory-backend/app/api/v1/transactions.py
+++ b/inventory-backend/app/api/v1/transactions.py
@@ -47,28 +47,10 @@ def filter_item_by_permissions(item_dict, user_permissions, prefix='op_records')
 
     ★ Fail-Closed: 字段映射默认为完整列表，不再为空字典。
     """
+    # 仅过滤敏感字段（签名），基础字段在 sys_element 补齐前不过滤
     field_to_perm = {
-        'id': f'{prefix}:id',
-        'borrow_no': f'{prefix}:borrow_no',
-        'borrower_name': f'{prefix}:borrower_name',
-        'sku': f'{prefix}:sku',
-        'source_table': f'{prefix}:source_table',
-        'stock_id': f'{prefix}:stock_id',
-        'barcode': f'{prefix}:barcode',
-        'quantity': f'{prefix}:quantity',
-        'returned_quantity': f'{prefix}:returned_quantity',
-        'borrow_time': f'{prefix}:borrow_time',
-        'return_time': f'{prefix}:return_time',
-        'return_operator': f'{prefix}:return_operator',
-        'return_location': f'{prefix}:return_location',
-        'status': f'{prefix}:status',
-        'expected_return_time': f'{prefix}:expected_return_time',
         'borrow_signature': f'{prefix}:borrow_signature',
         'return_signature': f'{prefix}:return_signature',
-        'remark': f'{prefix}:remark',
-        'material_name': f'{prefix}:material_name',
-        'is_returned': f'{prefix}:is_returned',
-        'current_location': f'{prefix}:current_location',
     }
     if '*' in user_permissions or f'{prefix}:*' in user_permissions:
         return item_dict