diff --git a/trunk/conf/docker.conf b/trunk/conf/docker.conf
index 58a200442f..dc7a2368b5 100644
--- a/trunk/conf/docker.conf
+++ b/trunk/conf/docker.conf
@@ -31,8 +31,8 @@ vhost __defaultVhost__ {
     rtc {
         enabled     on;
         # @see https://github.com/ossrs/srs/wiki/v4_CN_WebRTC#rtmp-to-rtc
-        rtmp_to_rtc off;
+        rtmp_to_rtc on;
         # @see https://github.com/ossrs/srs/wiki/v4_CN_WebRTC#rtc-to-rtmp
-        rtc_to_rtmp off;
+        rtc_to_rtmp on;
     }
 }
diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 636ae02e9d..a9a70bd708 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -9,6 +9,7 @@ The changelog for SRS.
 ## SRS 4.0 Changelog
 
 * v4.0, 2022-01-17, Release v4.0-b4, 4.0 beta4, v4.0.230, 144393 lines.
+* v4.0, 2022-01-17, Enable rtmp2rtc and rtc2rtmp for docker.conf
 * v4.0, 2022-01-17, Support docker image for [droplet](https://hub.docker.com/r/ossrs/droplet). v4.0.230
 * v4.0, 2022-01-16, Update README for **Cloud Virtual Machine([CN](https://github.com/ossrs/srs/wiki/v4_CN_Home#cloud-virtual-machine) / [EN](https://github.com/ossrs/srs/wiki/v4_EN_Home#cloud-virtual-machine))**
 * v4.0, 2022-01-13, Merge [#2872](https://github.com/ossrs/srs/pull/2872): RTC: fix play rtc judge for config rtc2rtmp on. (#2872). v4.0.229