增加抢购说明

app/api/logic/GroupBuyLogic.php

@@ -41,6 +41,7 @@ class GroupBuyLogic extends Logic
         foreach($lists as &$item) {
             // 图片加域名
             $item['goods_image'] = UrlServer::getFileUrl($item['goods_image']);
+
         }
 
         return [
@@ -48,7 +49,8 @@ class GroupBuyLogic extends Logic
             'lists' => $lists,
             'page_no' => $get['page_no'],
             'page_size' => $get['page_size'],
-            'more' => is_more($count, $get['page_no'], $get['page_size'])
+            'more' => is_more($count, $get['page_no'], $get['page_size']),
+            'rule'=>'每位用户，每种商品只能限抢一个'
         ];
 
     }