diff --git a/README.md b/README.md
index 5054b3a750..6b14c1b004 100755
--- a/README.md
+++ b/README.md
@@ -343,6 +343,7 @@ Remark:
 
 ## History
 
+* v2.0, 2016-11-05, fix #654, crash when source cleanup for edge. 2.0.221
 * v2.0, 2016-10-26, fix #666, crash when source cleanup for http-flv. 2.0.220
 * v2.0, 2016-10-10, fix #661, close fd after thread stopped. 2.0.219
 * v2.0, 2016-09-23, support asprocess for oryx. 2.0.218
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index c11453e31e..432e04022b 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    220
+#define VERSION_REVISION    221
 
 // generated by configure, only macros.
 #include <srs_auto_headers.hpp>