diff --git a/sf_manufacturing/models/stock.py b/sf_manufacturing/models/stock.py
index c874cbc2..1d880d66 100644
--- a/sf_manufacturing/models/stock.py
+++ b/sf_manufacturing/models/stock.py
@@ -654,7 +654,10 @@ class StockPicking(models.Model):
         if self.location_id.name == '成品存货区' and self.location_dest_id.name == '客户':
             sale_id = self.env['sale.order'].sudo().search(
                 [('name', '=', self.origin)])
-            if sale_id and all(move.product_uom_qty == move.quantity_done for move in self.move_ids):
+            check_backorder = self._pre_action_done_hook()
+            if check_backorder is not True:
+                return res
+            if sale_id:
                 sale_id.write({'state':'delivered'})
         return res