diff --git a/beike/Repositories/ProductRepo.php b/beike/Repositories/ProductRepo.php
index 6f17a836..f1afae82 100644
--- a/beike/Repositories/ProductRepo.php
+++ b/beike/Repositories/ProductRepo.php
@@ -60,6 +60,9 @@ class ProductRepo
      */
     public static function getProductsByIds($productIds): AnonymousResourceCollection
     {
+        if (!$productIds) {
+            return ProductSimple::collection(new Collection());
+        }
         $builder = self::getBuilder(['product_ids' => $productIds])->whereHas('master_sku');
         $products = $builder->with('inCurrentWishlist')->get();
         return ProductSimple::collection($products);
diff --git a/beike/Shop/Http/Controllers/ProductController.php b/beike/Shop/Http/Controllers/ProductController.php
index 1b255303..00fa0061 100644
--- a/beike/Shop/Http/Controllers/ProductController.php
+++ b/beike/Shop/Http/Controllers/ProductController.php
@@ -22,7 +22,7 @@ class ProductController extends Controller
         $product = ProductRepo::getProductDetail($product);
         $data = [
             'product' => (new ProductDetail($product))->jsonSerialize(),
-            'relations' => ProductRepo::getProductsByIds($relationIds)->jsonSerialize(),
+            'relations' => ProductRepo::getProductsByIds($relationIds),
         ];
         $data = hook_filter('product.show', $data);
         return view('product', $data);