diff --git a/README.md b/README.md
index 9631f4392..a0d513d80 100755
--- a/README.md
+++ b/README.md
@@ -231,6 +231,7 @@ Please select according to languages:
 
 ### V2 changes
 
+* <strong>v2.0, 2018-08-12, [2.0 release4(2.0.255)][r2.0r4] released. 86915 lines.</strong>
 * v2.0, 2018-08-12, For [#1202][bug #1202], Support edge/forward to Aliyun CDN. 2.0.255 
 * v2.0, 2018-08-11, For [#910][bug #910], Support HTTP FLV with HTTP callback. 2.0.254
 * v2.0, 2018-08-11, For [#1110][bug #1110], Refine params in http callback. 2.0.253
@@ -1469,6 +1470,7 @@ Winlin
 
 [exo #828]: https://github.com/google/ExoPlayer/pull/828
 
+[r2.0r4]: https://github.com/ossrs/srs/releases/tag/v2.0-r4
 [r2.0r3]: https://github.com/ossrs/srs/releases/tag/v2.0-r3
 [r2.0r2]: https://github.com/ossrs/srs/releases/tag/v2.0-r2
 [r2.0r1]: https://github.com/ossrs/srs/releases/tag/v2.0-r1