diff --git a/README.md b/README.md
index 1860b9ba6..a2775e9ab 100755
--- a/README.md
+++ b/README.md
@@ -316,6 +316,7 @@ Remark:
## Releases
+* 2015-09-14, [Release v2.0a1][r2.0a1], 2.0 alpha1, 2.0.189, 89269 lines.
* 2015-08-23, [Release v2.0a0][r2.0a0], 2.0 alpha0, 2.0.185, 89022 lines.
* 2015-05-23, [Release v1.0r4][r1.0r4], bug fixed, 1.0.32, 59509 lines.
* 2015-03-19, [Release v1.0r3][r1.0r3], bug fixed, 1.0.30, 59511 lines.
@@ -343,6 +344,7 @@ Remark:
## History
+* v2.0, 2015-09-14, [2.0 alpha(2.0.189)][r2.0a1] released. 89269 lines.
* v2.0, 2015-09-14, fix [#474][bug #474] config to donot parse width/height from sps. 2.0.189
* v2.0, 2015-09-14, for [#474][bug #474] always release publish for source.
* v2.0, 2015-09-14, for [#458][bug #458] http hooks use source thread cid. 2.0.188
@@ -1188,6 +1190,7 @@ Winlin
[bug #50]: https://github.com/simple-rtmp-server/srs/issues/50
[bug #34]: https://github.com/simple-rtmp-server/srs/issues/34
+[r2.0a1]: https://github.com/simple-rtmp-server/srs/releases/tag/2.0a1
[r2.0a0]: https://github.com/simple-rtmp-server/srs/releases/tag/2.0a0
[r1.0r4]: https://github.com/simple-rtmp-server/srs/releases/tag/1.0r4
[r1.0r3]: https://github.com/simple-rtmp-server/srs/releases/tag/1.0r3
@@ -1221,8 +1224,8 @@ Winlin
[branch2]: https://github.com/simple-rtmp-server/srs/tree/2.0release
[release2]: https://github.com/simple-rtmp-server/srs/wiki/v1_CN_Product#release20
[release3]: https://github.com/simple-rtmp-server/srs/wiki/v1_CN_Product#release30
-[centos0]: http://winlinvip.github.io/srs.release/releases/files/SRS-CentOS6-x86_64-2.0.185.zip
-[centos1]: http://www.ossrs.net/srs.release/releases/files/SRS-CentOS6-x86_64-2.0.185.zip
+[centos0]: http://winlinvip.github.io/srs.release/releases/files/SRS-CentOS6-x86_64-2.0.189.zip
+[centos1]: http://www.ossrs.net/srs.release/releases/files/SRS-CentOS6-x86_64-2.0.189.zip
[srs2_CN]: https://github.com/simple-rtmp-server/srs/wiki/v2_CN_Home
[srs2_EN]: https://github.com/simple-rtmp-server/srs/wiki/v2_EN_Home