diff --git a/trunk/src/app/srs_app_edge.cpp b/trunk/src/app/srs_app_edge.cpp
index 2f65cd48f..d135eedf4 100644
--- a/trunk/src/app/srs_app_edge.cpp
+++ b/trunk/src/app/srs_app_edge.cpp
@@ -219,7 +219,7 @@ int SrsEdgeIngester::connect_app(string ep_server, string ep_port)
     // @see https://github.com/winlinvip/simple-rtmp-server/issues/147
     SrsAmf0Object* data = req->args;
     data->set("srs_sig", SrsAmf0Any::str(RTMP_SIG_SRS_KEY));
-    data->set("srs_server", SrsAmf0Any::str(RTMP_SIG_SRS_KEY" "RTMP_SIG_SRS_VERSION" ("RTMP_SIG_SRS_URL_SHORT")"));
+    data->set("srs_server", SrsAmf0Any::str(RTMP_SIG_SRS_SERVER));
     data->set("srs_license", SrsAmf0Any::str(RTMP_SIG_SRS_LICENSE));
     data->set("srs_role", SrsAmf0Any::str(RTMP_SIG_SRS_ROLE));
     data->set("srs_url", SrsAmf0Any::str(RTMP_SIG_SRS_URL));
@@ -640,7 +640,7 @@ int SrsEdgeForwarder::connect_app(string ep_server, string ep_port)
     // @see https://github.com/winlinvip/simple-rtmp-server/issues/147
     SrsAmf0Object* data = req->args;
     data->set("srs_sig", SrsAmf0Any::str(RTMP_SIG_SRS_KEY));
-    data->set("srs_server", SrsAmf0Any::str(RTMP_SIG_SRS_KEY" "RTMP_SIG_SRS_VERSION" ("RTMP_SIG_SRS_URL_SHORT")"));
+    data->set("srs_server", SrsAmf0Any::str(RTMP_SIG_SRS_SERVER));
     data->set("srs_license", SrsAmf0Any::str(RTMP_SIG_SRS_LICENSE));
     data->set("srs_role", SrsAmf0Any::str(RTMP_SIG_SRS_ROLE));
     data->set("srs_url", SrsAmf0Any::str(RTMP_SIG_SRS_URL));
diff --git a/trunk/src/app/srs_app_forward.cpp b/trunk/src/app/srs_app_forward.cpp
index da3846a67..ea1f937f6 100644
--- a/trunk/src/app/srs_app_forward.cpp
+++ b/trunk/src/app/srs_app_forward.cpp
@@ -342,7 +342,7 @@ int SrsForwarder::connect_app(string ep_server, string ep_port)
     // @see https://github.com/winlinvip/simple-rtmp-server/issues/147
     SrsAmf0Object* data = req->args;
     data->set("srs_sig", SrsAmf0Any::str(RTMP_SIG_SRS_KEY));
-    data->set("srs_server", SrsAmf0Any::str(RTMP_SIG_SRS_KEY" "RTMP_SIG_SRS_VERSION" ("RTMP_SIG_SRS_URL_SHORT")"));
+    data->set("srs_server", SrsAmf0Any::str(RTMP_SIG_SRS_SERVER));
     data->set("srs_license", SrsAmf0Any::str(RTMP_SIG_SRS_LICENSE));
     data->set("srs_role", SrsAmf0Any::str(RTMP_SIG_SRS_ROLE));
     data->set("srs_url", SrsAmf0Any::str(RTMP_SIG_SRS_URL));
diff --git a/trunk/src/app/srs_app_source.cpp b/trunk/src/app/srs_app_source.cpp
index 874419dc3..a59f00aff 100644
--- a/trunk/src/app/srs_app_source.cpp
+++ b/trunk/src/app/srs_app_source.cpp
@@ -1186,7 +1186,7 @@ int SrsSource::on_meta_data(SrsCommonMessage* msg, SrsOnMetaDataPacket* metadata
     }
     
     // add server info to metadata
-    metadata->metadata->set("server", SrsAmf0Any::str(RTMP_SIG_SRS_KEY" "RTMP_SIG_SRS_VERSION" ("RTMP_SIG_SRS_URL_SHORT")"));
+    metadata->metadata->set("server", SrsAmf0Any::str(RTMP_SIG_SRS_SERVER));
     metadata->metadata->set("srs_primary", SrsAmf0Any::str(RTMP_SIG_SRS_PRIMARY));
     metadata->metadata->set("srs_authors", SrsAmf0Any::str(RTMP_SIG_SRS_AUTHROS));
     
diff --git a/trunk/src/core/srs_core.hpp b/trunk/src/core/srs_core.hpp
index c1ea1f939..df7118d05 100644
--- a/trunk/src/core/srs_core.hpp
+++ b/trunk/src/core/srs_core.hpp
@@ -35,6 +35,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 // server info.
 #define RTMP_SIG_SRS_KEY "SRS"
+#define RTMP_SIG_SRS_CODE "ZhouGuowen"
 #define RTMP_SIG_SRS_ROLE "origin/edge server"
 #define RTMP_SIG_SRS_NAME RTMP_SIG_SRS_KEY"(Simple RTMP Server)"
 #define RTMP_SIG_SRS_URL_SHORT "github.com/winlinvip/simple-rtmp-server"
@@ -50,6 +51,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #define RTMP_SIG_SRS_RELEASE RTMP_SIG_SRS_URL"/tree/1.0release"
 #define RTMP_SIG_SRS_ISSUES(id) RTMP_SIG_SRS_URL"/issues/"#id
 #define RTMP_SIG_SRS_VERSION __SRS_XSTR(VERSION_MAJOR)"."__SRS_XSTR(VERSION_MINOR)"."__SRS_XSTR(VERSION_REVISION)
+#define RTMP_SIG_SRS_SERVER RTMP_SIG_SRS_KEY"/"RTMP_SIG_SRS_VERSION"("RTMP_SIG_SRS_CODE")"
 
 // internal macros, covert macro values to str,
 // see: read https://gcc.gnu.org/onlinedocs/cpp/Stringification.html#Stringification
diff --git a/trunk/src/protocol/srs_rtmp_sdk.cpp b/trunk/src/protocol/srs_rtmp_sdk.cpp
index be631b1db..b0d3dc7a0 100644
--- a/trunk/src/protocol/srs_rtmp_sdk.cpp
+++ b/trunk/src/protocol/srs_rtmp_sdk.cpp
@@ -941,7 +941,7 @@ int SrsRtmpServer::response_connect_app(SrsRequest *req, const char* server_ip)
     
     data->set("version", SrsAmf0Any::str(RTMP_SIG_FMS_VER));
     data->set("srs_sig", SrsAmf0Any::str(RTMP_SIG_SRS_KEY));
-    data->set("srs_server", SrsAmf0Any::str(RTMP_SIG_SRS_KEY" "RTMP_SIG_SRS_VERSION" ("RTMP_SIG_SRS_URL_SHORT")"));
+    data->set("srs_server", SrsAmf0Any::str(RTMP_SIG_SRS_SERVER));
     data->set("srs_license", SrsAmf0Any::str(RTMP_SIG_SRS_LICENSE));
     data->set("srs_role", SrsAmf0Any::str(RTMP_SIG_SRS_ROLE));
     data->set("srs_url", SrsAmf0Any::str(RTMP_SIG_SRS_URL));