diff --git a/README.md b/README.md
index 04ba70062..10ebf1aff 100755
--- a/README.md
+++ b/README.md
@@ -153,6 +153,7 @@ For previous versions, please read:
 
 ## V4 changes
 
+* v4.0, 2020-02-13, SRT supports detail config for [DynamicEncoding](https://github.com/runner365/srt_encoder). 4.0.4
 * v4.0, 2020-02-04, Update project code. 4.0.3
 * v4.0, 2020-01-26, Allow use libsrt.so for SRT is MPL license. 4.0.2
 * v4.0, 2020-01-24, Fix [#1147][bug #1147], support SRT(Secure Reliable Transport). 4.0.1
diff --git a/trunk/conf/full.conf b/trunk/conf/full.conf
index 0348a9433..bbfce255f 100644
--- a/trunk/conf/full.conf
+++ b/trunk/conf/full.conf
@@ -262,6 +262,13 @@ srt_server {
     enabled on;
     # 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
+    maxbw 1000000000;
+    connect_timeout 4000;
+    peerlatency 300;
+    recvlatency 300;
 }
 
 #############################################################################################
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index 747be972f..208807ee9 100644
--- a/trunk/src/core/srs_core_version4.hpp
+++ b/trunk/src/core/srs_core_version4.hpp
@@ -24,6 +24,6 @@
 #ifndef SRS_CORE_VERSION4_HPP
 #define SRS_CORE_VERSION4_HPP
 
-#define SRS_VERSION4_REVISION 3
+#define SRS_VERSION4_REVISION 4
 
 #endif