diff --git a/jikimo_purchase_request/models/purchase_request.py b/jikimo_purchase_request/models/purchase_request.py
index 52310269..4b5f86ba 100644
--- a/jikimo_purchase_request/models/purchase_request.py
+++ b/jikimo_purchase_request/models/purchase_request.py
@@ -28,7 +28,7 @@ class PurchaseRequestLine(models.Model):
     origin = fields.Char(string="Source Document")
 
     part_number = fields.Char('零件图号', store=True, compute='_compute_part_number')
-    part_name = fields.Char('零件名称', store=True, compute='_compute_part_name')
+    part_name = fields.Char('零件名称', store=True, compute='_compute_part_number')
     related_product = fields.Many2one('product.product', string='关联产品',
                                       help='经此产品工艺加工成的成品')
 
diff --git a/sf_manufacturing/models/purchase_order.py b/sf_manufacturing/models/purchase_order.py
index 039dfee5..3d71b6c7 100644
--- a/sf_manufacturing/models/purchase_order.py
+++ b/sf_manufacturing/models/purchase_order.py
@@ -110,7 +110,7 @@ class PurchaseOrderLine(models.Model):
     _inherit = 'purchase.order.line'
 
     part_number = fields.Char('零件图号',  store=True, compute='_compute_part_number')
-    part_name = fields.Char('零件名称',  store=True, compute='_compute_part_name')
+    part_name = fields.Char('零件名称',  store=True, compute='_compute_part_number')
     related_product = fields.Many2one('product.product', string='关联产品',
                                       help='经此产品工艺加工成的成品')
     manual_part_number = fields.Char()