修复活动商品复制bug

app/Admin/Forms/v3/GoodsActivityCopyForm.php

@@ -55,9 +55,10 @@ class GoodsActivityCopyForm extends Form implements LazyRenderable
             $model->type = $type;
             $model->inventory = $inventory;
 
+            $model->goods_id = 0;
             $model->store_id = $storeId;
             $model->market_id = $marketId;
-            $model->market_ids = json_encode(["$marketId"]);
+            $model->market_ids = ["$marketId"];
             $model->category_id = $goods->category_id;
 
             $model->name = $goods->name;