diff --git a/README.md b/README.md
index 00ed81e076..a3bd520e5e 100755
--- a/README.md
+++ b/README.md
@@ -335,6 +335,7 @@ Remark:
 
 ## History
 
+* v2.0, 2018-11-11, Merge [#1261][bug #1261], Support `_definst_` for Wowza. 2.0.260
 * v2.0, 2018-11-11, Merge [#1263][bug #1263], Fix string trim bug. 2.0.259
 * <strong>v2.0, 2018-10-28, [2.0 release5(2.0.258)][r2.0r5] released. 86916 lines.</strong>
 * v2.0, 2018-10-28, Fix [#1250][bug #1250], Support build on OSX10.14 Mojave. 2.0.258
@@ -1337,6 +1338,7 @@ Winlin
 [bug #1236]: https://github.com/ossrs/srs/issues/1236
 [bug #1250]: https://github.com/ossrs/srs/issues/1250
 [bug #1263]: https://github.com/ossrs/srs/issues/1263
+[bug #1261]: https://github.com/ossrs/srs/issues/1261
 [bug #xxxxxxxxxx]: https://github.com/ossrs/srs/issues/xxxxxxxxxx
 
 [exo #828]: https://github.com/google/ExoPlayer/pull/828
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 83642e4ce5..66c39960b0 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -31,7 +31,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 // current release version
 #define VERSION_MAJOR       2
 #define VERSION_MINOR       0
-#define VERSION_REVISION    259
+#define VERSION_REVISION    260
 
 // generated by configure, only macros.
 #include <srs_auto_headers.hpp>