重复

app-ghs/controllers/RefundController.php

@@ -192,6 +192,7 @@ class RefundController extends BaseController
         $itemList = ProductClass::getAllByCondition(['mainId' => $this->mainId, 'classId' => ['in', $ids]], null, 'id', 'id');
         if (!empty($itemList)) {
             $productIds = array_keys($itemList);
+            $productIds = array_unique($productIds);
             $where['productId'] = ['in', $productIds];
         }