diff --git a/trunk/conf/full.conf b/trunk/conf/full.conf
index 15765eb1e..a84b3f3bc 100644
--- a/trunk/conf/full.conf
+++ b/trunk/conf/full.conf
@@ -360,13 +360,15 @@ srt_server {
     # The UDP listen port for SRT.
     listen 10080;
     # For detail parameters, please read wiki:
-    #   https://github.com/ossrs/srs/wiki/v4_CN_SRTParams
-    #   https://github.com/ossrs/srs/wiki/v4_EN_SRTParams
+    #   https://github.com/ossrs/srs/wiki/v5_CN_SRTParams
+    #   https://github.com/ossrs/srs/wiki/v5_EN_SRTParams
     maxbw 1000000000;
     connect_timeout 4000;
+    # Default app for vmix, see https://github.com/ossrs/srs/pull/1615
+    # default: live
+    default_app live;
     peerlatency 0;
     recvlatency 0;
-    # TODO: FIXME: Add comments.
     latency 0;
     tsbpdmode off;
     tlpktdrop off;