diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index 9bdb47631..0a419c5aa 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -44,7 +44,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define RTMP_SIG_SRS_EMAIL "winlin@vip.126.com"
 #define RTMP_SIG_SRS_LICENSE "The MIT License (MIT)"
 #define RTMP_SIG_SRS_COPYRIGHT "Copyright (c) 2013-2015 SRS(simple-rtmp-server)"
-#define RTMP_SIG_SRS_PRIMARY "SRS Team"
+#define RTMP_SIG_SRS_PRIMARY "SRS/"VERSION_STABLE_BRANCH
 #define RTMP_SIG_SRS_AUTHROS "winlin,wenjie.zhao"
 #define RTMP_SIG_SRS_CONTRIBUTORS_URL RTMP_SIG_SRS_URL"/blob/master/AUTHORS.txt"
 #define RTMP_SIG_SRS_HANDSHAKE RTMP_SIG_SRS_KEY"("RTMP_SIG_SRS_VERSION")"