diff --git a/app/Service/v3/Implementations/CategoryService.php b/app/Service/v3/Implementations/CategoryService.php
index 911c59c..6be32bd 100644
--- a/app/Service/v3/Implementations/CategoryService.php
+++ b/app/Service/v3/Implementations/CategoryService.php
@@ -37,9 +37,9 @@ class CategoryService implements CategoryServiceInterface
 
     public function allForStore($storeId)
     {
-        $goodsTypeIds = Goods::query()->select('category_id')
+        $goodsTypeIds = Goods::query()->select('id','category_id')
             ->where(['store_id' => $storeId])
-            ->groupBy(['category_id'])
+            ->groupBy('category_id', 'id')
             ->get()->toArray();
 
         return Category::query()
diff --git a/app/Service/v3/Implementations/ShopCartService.php b/app/Service/v3/Implementations/ShopCartService.php
index 0247fd6..818f40f 100644
--- a/app/Service/v3/Implementations/ShopCartService.php
+++ b/app/Service/v3/Implementations/ShopCartService.php
@@ -83,8 +83,8 @@ class ShopCartService implements ShopCartServiceInterface
             ['goods_id','=',$goodsId],
         ])
             ->select('num')
-            ->get();
-        return $ShoppingCart->num;
+            ->first();
+        return $ShoppingCart->num ?? 0;
     }
 
     public function undo($userId,$marketId)