设置封面时，不能把旧的封面图删除

gis_cms/src/main/java/com/gis/cms/service/impl/GoodsServiceImpl.java

@@ -77,16 +77,8 @@ public class GoodsServiceImpl extends IBaseServiceImpl<GoodsEntity, Long> implem
                 return Result.failure("对象不存在： " + id);
             }
 
-            // 物理删除旧图片
-            String thumb = entity.getThumb();
-            if (!StringUtils.equals(thumb, param.getThumb())){
-                fileUtils.del(thumb);
-            }
-
             BeanUtils.copyProperties(param, entity);
 
-
-
             entity.setUpdateTime(LocalDateTime.now());
             this.update(entity);
         }