diff --git a/sf_manufacturing/models/purchase_order.py b/sf_manufacturing/models/purchase_order.py
index 1ffed728..607f64d1 100644
--- a/sf_manufacturing/models/purchase_order.py
+++ b/sf_manufacturing/models/purchase_order.py
@@ -31,3 +31,13 @@ class PurchaseOrder(models.Model):
 class PurchaseOrderLine(models.Model):
     _inherit = 'purchase.order.line'
     part_number = fields.Char('零件图号', related='product_id.part_number', readonly=True)
+    related_product = fields.Many2one('product.product',compute='_compute_related_product', string='关联产品',help='经此产品工艺加工成的成品')
+    @api.depends('order_id.origin')
+    def _compute_related_product(self):
+        for record in self:
+            if record.product_id.detailed_type:
+                production_id = self.env['mrp.production'].search([('name', '=', record.order_id.origin)])
+                record.related_product = production_id.product_id if production_id else False
+            else:
+                record.related_product = False
+
diff --git a/sf_manufacturing/views/purchase_order_view.xml b/sf_manufacturing/views/purchase_order_view.xml
index 5fbd7bd1..af1efcfc 100644
--- a/sf_manufacturing/views/purchase_order_view.xml
+++ b/sf_manufacturing/views/purchase_order_view.xml
@@ -7,6 +7,7 @@
             <field name="inherit_id" ref="purchase.purchase_order_form"/>
             <field name="arch" type="xml">
                 <xpath expr="//field[@name='order_line']/tree/field[@name='name']" position="after">
+                    <field name="related_product" optional="show"/>
                     <field name="part_number" optional="show"/>
                 </xpath>
             </field>