diff --git a/sf_manufacturing/models/mrp_workorder.py b/sf_manufacturing/models/mrp_workorder.py
index 9e3dde4c..dd7dbd3c 100644
--- a/sf_manufacturing/models/mrp_workorder.py
+++ b/sf_manufacturing/models/mrp_workorder.py
@@ -1176,7 +1176,9 @@ class WorkPieceDelivery(models.Model):
                     item.feeder_station_start_id.name, item.feeder_station_start_id.state))
                 logging.info('工件配送-终点状态:%s-%s' % (
                     item.feeder_station_destination_id.name, item.feeder_station_destination_id.state))
-                if item.feeder_station_start_id.state == '占用' and item.feeder_station_destination_id.state == '空闲':
+                if (
+                        item.feeder_station_start_id.state == '占用' and item.feeder_station_destination_id.state == '空闲') or (
+                        item.feeder_station_start_id.state == '空闲' and item.feeder_station_destination_id.state == '空闲'):
                     is_free = True
         logging.info('is_free:%s' % is_free)
         return is_free