diff --git a/app/Imports/InventoryImport.php b/app/Imports/InventoryImport.php
index b530ee0..0ccef4d 100644
--- a/app/Imports/InventoryImport.php
+++ b/app/Imports/InventoryImport.php
@@ -32,7 +32,7 @@ class InventoryImport implements ToArray, SkipsEmptyRows
             $goodsSkus = GoodsSku::query()->with("combinationGoods")->whereIn('external_sku_id', $externalSkuIds)
                 ->get()->toArray();
             $goodsSkus = collect($goodsSkus)->map(function ($v) use ($inventoryKeyByExternalSkuIdMap) {
-                if (!empty($inventoryKeyByExternalSkuIdMap[$v['external_sku_id']])) {
+                if (isset($inventoryKeyByExternalSkuIdMap[$v['external_sku_id']])) {
                     $v['inventory'] = $inventoryKeyByExternalSkuIdMap[$v['external_sku_id']];
                     return $v;
                 }