diff --git a/jikimo_purchase_request/models/__init__.py b/jikimo_purchase_request/models/__init__.py
index 4d5c92da..f1ba1696 100644
--- a/jikimo_purchase_request/models/__init__.py
+++ b/jikimo_purchase_request/models/__init__.py
@@ -6,3 +6,4 @@ from . import mrp_production
 from . import purchase_order
 from . import stock_rule
 from . import stock_picking
+from . import product_product
diff --git a/jikimo_purchase_request/models/mrp_production.py b/jikimo_purchase_request/models/mrp_production.py
index 6973d51f..d7cd4b81 100644
--- a/jikimo_purchase_request/models/mrp_production.py
+++ b/jikimo_purchase_request/models/mrp_production.py
@@ -12,9 +12,7 @@ class MrpProduction(models.Model):
             if item.product_id.is_customer_provided:
                 item.pr_mp_count = 0
             else:
-                # 由于采购申请合并了所有销售订单行的采购，所以不区分产品
-                mrp_names = self.env['mrp.production'].search([('origin', '=', item.origin)]).mapped('name')
-                pr_ids = self.env['purchase.request'].sudo().search([('origin', 'in', mrp_names)])
+                pr_ids = item._get_purchase_request()
                 item.pr_mp_count = len(pr_ids)
             # pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', item.name), ('is_subcontract', '!=', 'True')])
 
@@ -25,8 +23,7 @@ class MrpProduction(models.Model):
         self.ensure_one()
 
         # 由于采购申请合并了所有销售订单行的采购，所以不区分产品
-        mrp_names = self.env['mrp.production'].search([('origin', '=', self.origin)]).mapped('name')
-        pr_ids = self.env['purchase.request'].sudo().search([('origin', 'in', mrp_names)])
+        pr_ids = self._get_purchase_request()
 
         action = {
             'res_model': 'purchase.request',
@@ -44,3 +41,12 @@ class MrpProduction(models.Model):
                 'view_mode': 'tree,form',
             })
         return action
+
+    def _get_purchase_request(self):
+        """获取跟制造订单相关的采购申请单（根据采购申请单行项目的产品匹配）"""
+        mrp_names = self.env['mrp.production'].search([('origin', '=', self.origin)]).mapped('name')
+        pr_ids = self.env['purchase.request'].sudo().search([('origin', 'in', mrp_names)])
+        product_list = self.product_id._get_product_include_bom()
+        pr_line_ids = pr_ids.line_ids.filtered(lambda l: l.product_id in product_list)
+        return pr_line_ids.mapped('request_id')
+    
\ No newline at end of file
diff --git a/jikimo_purchase_request/models/product_product.py b/jikimo_purchase_request/models/product_product.py
new file mode 100644
index 00000000..c59fcdb8
--- /dev/null
+++ b/jikimo_purchase_request/models/product_product.py
@@ -0,0 +1,17 @@
+from odoo import models
+
+
+class ProductProduct(models.Model):
+    _inherit = 'product.product'
+
+
+    def _get_product_include_bom(self):
+        """获取产品列表（包括所有bom）"""
+        self.ensure_one()
+        product_list = [self]
+        bom_ids = self.bom_ids
+        while (bom_ids):
+            bom_product_ids = bom_ids.bom_line_ids.mapped('product_id')
+            product_list.append(bom_product_ids)
+            bom_ids = bom_product_ids.bom_ids
+        return product_list
\ No newline at end of file