* v4.0, 2021-09-04, For [#2282](https://github.com/ossrs/srs/pull/2282), [#2181](https://github.com/ossrs/srs/issues/2181), Move DVR async worker from SrsDvrPlan to global.
* v4.0, 2021-09-04, For [#2282](https://github.com/ossrs/srs/pull/2282), [#2181](https://github.com/ossrs/srs/issues/2181), Remove reload for dvr_apply. 4.0.160