添加默认vip_price为0

src/main/java/com/peanut/modules/book/controller/BookLabelAndMarketController.java

@@ -388,6 +388,7 @@ public class BookLabelAndMarketController {
         List<Map<String,Object>> list = toLabelService.listMaps(wrapper);
         for (Map<String,Object> map:list){
             ShopProduct shopProduct = shopProductService.getById(map.get("product_id").toString());
+            map.put("vip_price",0);
             if (userVipService.isVip()&&shopProduct.getIsVipPrice()==1){
                 map.put("vip_price",shopProductService.getVipPrice(shopProduct));
             }