diff --git a/app/Models/DealerManagerSalesLog.php b/app/Models/DealerManagerSalesLog.php
index 47451de7..264ddfdf 100644
--- a/app/Models/DealerManagerSalesLog.php
+++ b/app/Models/DealerManagerSalesLog.php
@@ -24,6 +24,14 @@ class DealerManagerSalesLog extends Model
         'order_completed_at',
     ];
 
+    /**
+     * 此津贴所属订单
+     */
+    public function order()
+    {
+        return $this->belongsTo(DealerOrder::class, 'order_id');
+    }
+
     /**
      * 此商品销售业绩所属的商品
      */