diff --git a/internal/modules/production/transfer_layings/services/transfer_laying.service.go b/internal/modules/production/transfer_layings/services/transfer_laying.service.go
index 3d291b6d..7994727f 100644
--- a/internal/modules/production/transfer_layings/services/transfer_laying.service.go
+++ b/internal/modules/production/transfer_layings/services/transfer_laying.service.go
@@ -294,7 +294,7 @@ func (s *transferLayingService) CreateOne(c *fiber.Ctx, req *validation.Create)
 				return fiber.NewError(fiber.StatusInternalServerError, "Failed to reduce project flock population")
 			}
 
-			if err := productWarehouseRepoTx.PatchOne(c.Context(), productWarehouseId, map[string]any{"quantity": gorm.Expr("quantity - ?", sourceDetail.Quantity)}, nil); err != nil {
+			if err := productWarehouseRepoTx.PatchOne(c.Context(), productWarehouseId, map[string]any{"quantity": gorm.Expr("qty - ?", sourceDetail.Quantity)}, nil); err != nil {
 				return fiber.NewError(fiber.StatusInternalServerError, "Failed to update source warehouse quantity")
 			}
 		}
@@ -388,7 +388,7 @@ func (s transferLayingService) UpdateOne(c *fiber.Ctx, req *validation.Update, i
 			if oldSource.ProductWarehouseId != nil && oldSource.Qty > 0 {
 
 				if err := productWarehouseRepoTx.PatchOne(c.Context(), *oldSource.ProductWarehouseId, map[string]any{
-					"quantity": gorm.Expr("quantity + ?", oldSource.Qty),
+					"quantity": gorm.Expr("qty + ?", oldSource.Qty),
 				}, nil); err != nil {
 					return fiber.NewError(fiber.StatusInternalServerError, "Failed to restore warehouse quantity")
 				}
@@ -466,7 +466,7 @@ func (s transferLayingService) UpdateOne(c *fiber.Ctx, req *validation.Update, i
 				return err
 			}
 
-			if err := productWarehouseRepoTx.PatchOne(c.Context(), productWarehouseId, map[string]any{"quantity": gorm.Expr("quantity - ?", sourceDetail.Quantity)}, nil); err != nil {
+			if err := productWarehouseRepoTx.PatchOne(c.Context(), productWarehouseId, map[string]any{"quantity": gorm.Expr("qty - ?", sourceDetail.Quantity)}, nil); err != nil {
 				return fiber.NewError(fiber.StatusInternalServerError, "Failed to update source warehouse quantity")
 			}
 		}
@@ -544,7 +544,7 @@ func (s transferLayingService) DeleteOne(c *fiber.Ctx, id uint) error {
 			if source.ProductWarehouseId != nil && source.Qty > 0 {
 
 				if err := productWarehouseRepoTx.PatchOne(c.Context(), *source.ProductWarehouseId, map[string]any{
-					"quantity": gorm.Expr("quantity + ?", source.Qty),
+					"quantity": gorm.Expr("qty + ?", source.Qty),
 				}, nil); err != nil {
 					return fiber.NewError(fiber.StatusInternalServerError, "Failed to restore source warehouse quantity")
 				}
@@ -766,7 +766,7 @@ func (s *transferLayingService) getOrCreateProductWarehouse(ctx context.Context,
 	existing, err := productWarehouseRepoTx.GetProductWarehouseByProductAndWarehouseID(ctx, productID, warehouseID)
 	if err == nil && existing != nil {
 
-		if err := productWarehouseRepoTx.PatchOne(ctx, existing.Id, map[string]any{"quantity": gorm.Expr("quantity + ?", quantity)}, nil); err != nil {
+		if err := productWarehouseRepoTx.PatchOne(ctx, existing.Id, map[string]any{"quantity": gorm.Expr("qty + ?", quantity)}, nil); err != nil {
 			return nil, err
 		}
 		return existing, nil