添加专区商品接口接口，上传图片接口3

app/controller/AdminZoneGoods.php

@@ -39,6 +39,7 @@ class AdminZoneGoods extends BaseController
             if ($id) {
                 validate()->rule($rule)->scene('goodsParamEdit')->check($param);
                 $Save = $ZoneGoods->find($id);
+                if (!$Save) throw new ValidateException('id参数错误');
                 $Save->zone_id          = $param['zone_id'];
                 $Save->title            = $param['title'];
                 $Save->price            = $param['price'];