diff --git a/app/Http/Controllers/Goods/GoodsSkusController.php b/app/Http/Controllers/Goods/GoodsSkusController.php
index 5adc9cf..4c95ad4 100644
--- a/app/Http/Controllers/Goods/GoodsSkusController.php
+++ b/app/Http/Controllers/Goods/GoodsSkusController.php
@@ -76,7 +76,7 @@ class GoodsSkusController extends Controller
                 ->select(DB::raw($fields))
                 ->where('external_sku_id', $externalSkuId)
                 ->when($lastInventoryTime, function ($query) use ($lastInventoryTime) {
-                    $query->where('updated_at', '>', $lastInventoryTime);
+                    $query->where('created_at', '>', $lastInventoryTime);
                 })
                 ->groupBy(['shop_id', 'external_sku_id'])
                 ->with(['shop:id,name'])