diff --git a/app/Endpoint/Api/Http/Controllers/StoreController.php b/app/Endpoint/Api/Http/Controllers/StoreController.php
index 5850dcf6..084cd3df 100644
--- a/app/Endpoint/Api/Http/Controllers/StoreController.php
+++ b/app/Endpoint/Api/Http/Controllers/StoreController.php
@@ -12,6 +12,7 @@ use App\Endpoint\Api\Http\Resources\ProductFeatureResource;
 use App\Events\ProductSkuViewed;
 use App\Models\Store\Desk;
 use App\Endpoint\Api\Http\Resources\DeskResource;
+use App\Exceptions\BizException;
 
 class StoreController extends Controller
 {
@@ -67,8 +68,8 @@ class StoreController extends Controller
         $spu = $store->productSpus()->with(['specs', 'features'])->findOrFail($id);
 
         $sku = $store->productSkus()
-            ->where('product_spu_id', $spu->id)
-            ->when($request->filled('sku_id'), fn($q) => $q->where('product_sku_id', $request->input('sku_id')))
+            ->wherePivot('product_spu_id', $spu->id)
+            ->when($request->filled('sku_id'), fn($q) => $q->wherePivot('product_sku_id', $request->input('sku_id')))
             ->first();
         if (!$sku) {
             throw new BizException('商品sku未上架');