diff --git a/inventory-backend/app/services/inbound/product_service.py b/inventory-backend/app/services/inbound/product_service.py
index a724542..d145938 100644
--- a/inventory-backend/app/services/inbound/product_service.py
+++ b/inventory-backend/app/services/inbound/product_service.py
@@ -170,8 +170,7 @@ class ProductInboundService:
                 production_manager=data.get('production_manager'),
                 production_time_range=time_range,
                 raw_material_cost=raw_cost,
-                manual_cost=manual_cost,
-                unit_total_cost=unit_total_cost,
+                manual_cost=unit_total_cost,
                 total_price=total_price,
                 quality_status=data.get('quality_status', '合格'),
                 product_photo=json.dumps(photo_list),
@@ -223,7 +222,7 @@ class ProductInboundService:
 
             if 'sale_price' in data: stock.sale_price = float(data['sale_price'])
             if 'raw_material_cost' in data: stock.raw_material_cost = float(data['raw_material_cost'])
-            if 'unit_total_cost' in data: stock.unit_total_cost = float(data['unit_total_cost'])
+            if 'unit_total_cost' in data: stock.manual_cost = float(data['unit_total_cost'])
 
             if 'in_quantity' in data:
                 new_qty = float(data['in_quantity'])
@@ -234,7 +233,7 @@ class ProductInboundService:
 
             if 'unit_total_cost' in data or 'in_quantity' in data:
                 qty = float(data.get('in_quantity', stock.in_quantity or 1))
-                stock.total_price = float(stock.unit_total_cost or 0) * qty
+                stock.total_price = float(stock.manual_cost or 0) * qty
 
             if 'production_start_time' in data or 'production_end_time' in data:
                 old_range = stock.production_time_range or " ~ "
@@ -322,7 +321,9 @@ class ProductInboundService:
 
             items = []
             for item in current_items:
-                items.append(item.to_dict())
+                item_dict = item.to_dict()
+                item_dict['unit_total_cost'] = float(item.manual_cost or 0)
+                items.append(item_dict)
             return {"total": pagination.total, "items": items}
         except:
             traceback.print_exc()