diff --git a/jikimo_purchase_request/models/mrp_production.py b/jikimo_purchase_request/models/mrp_production.py
index 58a94eba..38331d87 100644
--- a/jikimo_purchase_request/models/mrp_production.py
+++ b/jikimo_purchase_request/models/mrp_production.py
@@ -18,9 +18,8 @@ class MrpProduction(models.Model):
             #     pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', item.name)])
             #     item.pr_mp_count = len(pr_ids)
             # 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
-            first_mp = self.env['mrp.production'].search(
-                    [('origin', '=', item.origin)], limit=1, order='id asc')
-            pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', first_mp.name)])
+            mrp_names = self.env['mrp.production'].search([('origin', '=', item.origin)]).mapped('name')
+            pr_ids = self.env['purchase.request'].sudo().search([('origin', 'in', mrp_names)])
             item.pr_mp_count = len(pr_ids)
             # pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', item.name), ('is_subcontract', '!=', 'True')])
 
@@ -37,9 +36,8 @@ class MrpProduction(models.Model):
         # else:
         #     pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', self.name)])
         # 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
-        first_mp = self.env['mrp.production'].search(
-                    [('origin', '=', self.origin)], limit=1, order='id asc')
-        pr_ids = self.env['purchase.request'].sudo().search([('origin', 'like', first_mp.name)])
+        mrp_names = self.env['mrp.production'].search([('origin', '=', item.origin)]).mapped('name')
+        pr_ids = self.env['purchase.request'].sudo().search([('origin', 'in', mrp_names)])
 
 
         action = {