diff --git a/sf_manufacturing/models/mrp_workorder.py b/sf_manufacturing/models/mrp_workorder.py
index 1b2520cc..2cb292e1 100644
--- a/sf_manufacturing/models/mrp_workorder.py
+++ b/sf_manufacturing/models/mrp_workorder.py
@@ -622,6 +622,8 @@ class ResMrpWorkOrder(models.Model):
             if workorder.state != 'done':
                 is_production_id = False
         if is_production_id == True and self.name == '解除装夹':
+            for workorder in self.production_id.workorder_ids:
+                workorder.rfid_code = None
             for move_raw_id in self.production_id.move_raw_ids:
                 move_raw_id.quantity_done = move_raw_id.product_uom_qty
             self.production_id.button_mark_done1()