diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b08e2cd72..a68f10f3c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,5 +1,5 @@
 Welome to contribute to SRS!
 
 1. Please read **Contribution([CN](https://github.com/ossrs/srs/issues/2866#contribution) EN)** before file new PR.
-2. Please start from fixing some [issues](https://github.com/ossrs/srs/issues), then follow the [guide](https://github.com/ossrs/srs/wiki/HowToFilePR).
+2. Please start from fixing some [Issues: good first issue](https://github.com/ossrs/srs/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22), then follow the [guide](https://github.com/ossrs/srs/wiki/HowToFilePR).
 3. We will review your PR ASAP.
diff --git a/README.md b/README.md
index 37e50cfa3..804e39199 100755
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ Note that if convert RTMP to WebRTC, please use [`rtmp2rtc.conf`](https://github
 
 > Highly recommend that directly run SRS by
 > **docker([CN](https://github.com/ossrs/srs/wiki/v4_CN_Home#docker) / [EN](https://github.com/ossrs/srs/wiki/v4_EN_Home#docker))**,
+> **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))**,
 > or **K8s([CN](https://github.com/ossrs/srs/wiki/v4_CN_Home#k8s) / [EN](https://github.com/ossrs/srs/wiki/v4_EN_Home#k8s))**,
 > however it's also easy to build SRS from source code, for detail please see
 > **Getting Started([CN](https://github.com/ossrs/srs/wiki/v4_CN_Home#getting-started) / [EN](https://github.com/ossrs/srs/wiki/v4_EN_Home#getting-started))**.
diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index e49b352ea..38de61cc4 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -31,6 +31,7 @@ The changelog for SRS.
 
 ## SRS 4.0 Changelog
 
+* 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
 * v4.0, 2022-01-13, Support configure with --config as default config file. v4.0.227
 * v4.0, 2022-01-13, For [#2880](https://github.com/ossrs/srs/pull/2880): Add SrsAutoFreeH to release ptr with hooks. (#2880). v4.0.226