should Refresh
首次调用总是刷新;之后仅当配置了间隔且到期时刷新。 The first call always refreshes; later calls require a configured interval to elapse.
首次调用总是刷新;之后仅当配置了间隔且到期时刷新。 The first call always refreshes; later calls require a configured interval to elapse.