diff --git a/app/Listeners/CombinationGoodsStockUpdateListener.php b/app/Listeners/CombinationGoodsStockUpdateListener.php
index 46740c2..816085a 100644
--- a/app/Listeners/CombinationGoodsStockUpdateListener.php
+++ b/app/Listeners/CombinationGoodsStockUpdateListener.php
@@ -44,7 +44,7 @@ class CombinationGoodsStockUpdateListener
                 if ($sku->is_combination) {
                     $combinationGoodsIds[] = $sku->id;
                 } else {
-                    $combinationGoodsItemIds[$sku->id] = $sku->id;
+                    $combinationGoodsItemIds[] = $sku->id;
                 }
             }
         }