Description: 补充卡片开发指南的定时刷新机制说明
Sig: SIG_ApplicationFramework
Feature or Bugfix: Bugfix
Binary Source: No
Signed-off-by: Nyangzk <yangzhongkai@huawei.com>
Change-Id: I862b6c5ac51be9ed460cb2f3553cda92f7024693