diff --git a/sf_manufacturing/models/stock.py b/sf_manufacturing/models/stock.py
index 9f5a7733..0156fa81 100644
--- a/sf_manufacturing/models/stock.py
+++ b/sf_manufacturing/models/stock.py
@@ -645,6 +645,16 @@ class StockPicking(models.Model):
             stock_picking = stock_picking_list.filtered(lambda p: p.state not in ("done", "cancel"))
             if sale_id and not stock_picking:
                 sale_id.write({'state': 'delivered'})
+        if self.location_dest_id.name == '成品存货区' and self.state == 'done':
+            for move in self.move_ids:
+                for production in self.sale_order_id.mrp_production_ids:
+                    moves = self.env['stock.move'].search([
+                        ('name', '=', production.name),
+                        ('state', '!=', 'cancel')
+                    ])
+                    finish_move = next((move for move in moves if move.location_dest_id.name == '制造后'), None)
+                    if finish_move.id in move.move_orig_ids.ids and finish_move.state == 'done':
+                        production.workorder_ids.write({'back_button_display': False})
         return res
 
     # 创建 外协出库入单