diff --git a/trunk/conf/full.conf b/trunk/conf/full.conf
index 2e40a387e..581e4daa3 100644
--- a/trunk/conf/full.conf
+++ b/trunk/conf/full.conf
@@ -441,8 +441,8 @@ rtc_server {
     merge_nalus     on;
     # Whether enable GSO to send out RTP packets.
     # @remark Linux 4.18+ only, for other OS always disabled.
-    # default: off
-    gso             off;
+    # default: on
+    gso             on;
 }
 
 vhost rtc.vhost.srs.com {
diff --git a/trunk/src/app/srs_app_config.cpp b/trunk/src/app/srs_app_config.cpp
index d5b0022c3..3d44d63f5 100644
--- a/trunk/src/app/srs_app_config.cpp
+++ b/trunk/src/app/srs_app_config.cpp
@@ -4795,7 +4795,7 @@ bool SrsConfig::get_rtc_server_merge_nalus()
 
 bool SrsConfig::get_rtc_server_gso()
 {
-    static int DEFAULT = false;
+    static int DEFAULT = true;
 
     SrsConfDirective* conf = root->get("rtc_server");
     if (!conf) {
@@ -4807,7 +4807,7 @@ bool SrsConfig::get_rtc_server_gso()
         return DEFAULT;
     }
 
-    bool v = SRS_CONF_PERFER_FALSE(conf->arg0());
+    bool v = SRS_CONF_PERFER_TRUE(conf->arg0());
 
     bool gso_disabled = false;
 #if !defined(__linux__)