diff --git a/yuthon_purchase/models/inherit_purchase_order.py b/yuthon_purchase/models/inherit_purchase_order.py
index ec4cab94c..7a48da19a 100644
--- a/yuthon_purchase/models/inherit_purchase_order.py
+++ b/yuthon_purchase/models/inherit_purchase_order.py
@@ -53,6 +53,15 @@ class InheritPurchaseOrder(models.Model):
         store=True
     )
 
+    # 入库进度（根据关联入库单的 receipt_status 聚合）
+    picking_receipt_state = fields.Selection([
+        ('waiting', '待验收'),
+        ('certification', '证明入库'),
+        ('done', '已入库'),
+    ], string="入库状态", compute='_compute_picking_receipt_state', store=False)
+
+
+
     @api.depends('log_ids', 'work_end')
     def _compute_purchase_state(self):
         """