diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9e0185715..7736a7388 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,10 +12,13 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      ################################################################
+      ##################################################################################################################
+      ##################################################################################################################
+      ##################################################################################################################
       # Git checkout
       - name: Checkout repository
         uses: actions/checkout@v2
+
       # The github.ref is, for example, refs/tags/v4.0.145 or refs/tags/v4.0-r8
       # Generate variables like:
       #   SRS_TAG=v4.0-r8
@@ -32,6 +35,73 @@ jobs:
           echo "SRS_VERSION=$SRS_VERSION" >> $GITHUB_ENV
           SRS_MAJOR=$(echo $SRS_TAG| cut -c 2)
           echo "SRS_MAJOR=$SRS_MAJOR" >> $GITHUB_ENV
+
+      # Tests
+      - name: Build test image
+        run: docker build --tag srs:test -f trunk/Dockerfile.test .
+      # For utest
+      - name: Run SRS utest
+        run: docker run --rm srs:test bash -c 'make utest && ./objs/srs_utest'
+      # For regression-test
+      - name: Run SRS regression-test
+        run: docker run --rm srs:test bash -c 'make && ./objs/srs -c conf/regression-test.conf && cd 3rdparty/srs-bench && make && ./objs/srs_test -test.v'
+
+      ##################################################################################################################
+      ##################################################################################################################
+      ##################################################################################################################
+      # Build SRS docker images
+      - name: Build SRS docker image
+        env:
+          PACKAGER: ${{ secrets.SRS_PACKAGER_DOCKER }}
+          PACKAGER_DROPLET: ${{ secrets.SRS_PACKAGER_DROPLET }}
+        run: |
+          echo "Release ossrs/srs:$SRS_TAG"
+          docker build --tag ossrs/srs:$SRS_TAG --build-arg SRS_AUTO_PACKAGER=$PACKAGER -f trunk/Dockerfile .
+          echo "Release ossrs/droplet:$SRS_TAG"
+          docker build --tag ossrs/droplet:$SRS_TAG --build-arg SRS_AUTO_PACKAGER=$PACKAGER_DROPLET -f trunk/Dockerfile .
+
+      # Docker hub
+      - name: Login docker hub
+        uses: docker/login-action@v1
+        with:
+          username: "${{ secrets.DOCKER_USERNAME }}"
+          password: "${{ secrets.DOCKER_PASSWORD }}"
+      - name: Push to docker hub
+        run: |
+          docker tag ossrs/srs:$SRS_TAG ossrs/srs:$SRS_MAJOR
+          docker tag ossrs/srs:$SRS_TAG ossrs/srs:latest
+          docker push --all-tags ossrs/srs
+          #
+          docker tag ossrs/droplet:$SRS_TAG ossrs/droplet:$SRS_MAJOR
+          docker tag ossrs/droplet:$SRS_TAG ossrs/droplet:latest
+          docker push --all-tags ossrs/droplet
+
+      # Aliyun ACR hub
+      - name: Login Aliyun docker hub
+        uses: aliyun/acr-login@v1
+        with:
+          login-server: https://registry.cn-hangzhou.aliyuncs.com
+          username: "${{ secrets.ACR_USERNAME }}"
+          password: "${{ secrets.ACR_PASSWORD }}"
+      - name: Push to Aliyun docker hub
+        run: |
+          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_TAG
+          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_VERSION
+          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:v$SRS_MAJOR
+          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_MAJOR
+          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:latest
+          docker push --all-tags registry.cn-hangzhou.aliyuncs.com/ossrs/srs
+          #
+          docker tag ossrs/droplet:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/droplet:$SRS_TAG
+          docker tag ossrs/droplet:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/droplet:$SRS_VERSION
+          docker tag ossrs/droplet:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/droplet:v$SRS_MAJOR
+          docker tag ossrs/droplet:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/droplet:$SRS_MAJOR
+          docker tag ossrs/droplet:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/droplet:latest
+          docker push --all-tags registry.cn-hangzhou.aliyuncs.com/ossrs/droplet
+
+      ##################################################################################################################
+      ##################################################################################################################
+      ##################################################################################################################
       # Create source tar for release
       # Generate variables like:
       #   SRS_SOURCE_TAR=srs-server-4.0.145.tar.gz
@@ -44,6 +114,7 @@ jobs:
           tar zcf ${DEST_DIR}.tar.gz ${DEST_DIR} && du -sh ${DEST_DIR}* && rm -rf ${DEST_DIR} &&
           echo "SRS_SOURCE_TAR=${DEST_DIR}.tar.gz" >> $GITHUB_ENV &&
           echo "SRS_SOURCE_MD5=$(md5sum ${DEST_DIR}.tar.gz| awk '{print $1}')" >> $GITHUB_ENV
+
       # Create package tar for release
       # Generate variables like:
       #   SRS_PACKAGE_ZIP=SRS-CentOS7-x86_64-4.0.145.zip
@@ -59,76 +130,6 @@ jobs:
           echo "SRS_PACKAGE_ZIP=$SRS_PACKAGE_ZIP" >> $GITHUB_ENV &&
           echo "SRS_PACKAGE_MD5=$(md5sum $SRS_PACKAGE_ZIP| awk '{print $1}')" >> $GITHUB_ENV
 
-      ################################################################
-      # Tests
-      - name: Build test image
-        run: docker build --tag srs:test -f trunk/Dockerfile.test .
-      # For utest
-      - name: Run SRS utest
-        run: docker run --rm srs:test bash -c 'make utest && ./objs/srs_utest'
-      # For regression-test
-      - name: Run SRS regression-test
-        run: docker run --rm srs:test bash -c 'make && ./objs/srs -c conf/regression-test.conf && cd 3rdparty/srs-bench && make && ./objs/srs_test -test.v'
-
-      ################################################################
-      # Build
-      # Build SRS image
-      - name: Build SRS docker image
-        env:
-          PACKAGER: ${{ secrets.SRS_PACKAGER_DOCKER }}
-        run: |
-          echo "Release ossrs/srs:$SRS_TAG"
-          docker build --tag ossrs/srs:$SRS_TAG --build-arg SRS_AUTO_PACKAGER=$PACKAGER -f trunk/Dockerfile .
-
-      ################################################################
-      # Docker
-      - name: Login docker hub
-        uses: docker/login-action@v1
-        with:
-          username: "${{ secrets.DOCKER_USERNAME }}"
-          password: "${{ secrets.DOCKER_PASSWORD }}"
-      - name: Push to docker hub
-        run: |
-          docker push ossrs/srs:$SRS_TAG
-          docker tag ossrs/srs:$SRS_TAG ossrs/srs:$SRS_MAJOR
-          docker push ossrs/srs:$SRS_MAJOR
-          docker tag ossrs/srs:$SRS_TAG ossrs/srs:latest
-          docker push ossrs/srs:latest
-      # Aliyun ACR
-      - name: Login Aliyun docker hub
-        uses: aliyun/acr-login@v1
-        with:
-          login-server: https://registry.cn-hangzhou.aliyuncs.com
-          username: "${{ secrets.ACR_USERNAME }}"
-          password: "${{ secrets.ACR_PASSWORD }}"
-      - name: Push to Aliyun docker hub
-        run: |
-          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_TAG
-          docker push registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_TAG
-          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_VERSION
-          docker push registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_VERSION
-          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:v$SRS_MAJOR
-          docker push registry.cn-hangzhou.aliyuncs.com/ossrs/srs:v$SRS_MAJOR
-          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_MAJOR
-          docker push registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_MAJOR
-          docker tag ossrs/srs:$SRS_TAG registry.cn-hangzhou.aliyuncs.com/ossrs/srs:latest
-          docker push registry.cn-hangzhou.aliyuncs.com/ossrs/srs:latest
-
-      ################################################################
-      # K8S
-      - name: Setup KUBCONFIG for Aliyun ACK
-        run: |-
-          KUBECONFIG=$RUNNER_TEMP/kubeconfig_$(date +%s)
-          echo "${{ secrets.KUBCONFIG }}" > $KUBECONFIG
-          echo "KUBECONFIG=$KUBECONFIG" >> $GITHUB_ENV
-      # K8S for SRS 4.0
-      - name: Release SRS 4.0 to Aliyun ACK
-        if: ${{ startsWith(github.ref, 'refs/tags/v4') }}
-        run: |-
-          kubectl set image deploy/srs4-deploy srs4=registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_TAG
-          kubectl describe deploy/srs4-deploy
-
-      ################################################################
       # Create release.
       - name: Create release
         id: create_release
@@ -156,6 +157,7 @@ jobs:
             * [FAQ](https://github.com/ossrs/srs/issues/2716), [Features](https://github.com/ossrs/srs/blob/4.0release/trunk/doc/Features.md#features) or [ChangeLogs](https://github.com/ossrs/srs/blob/4.0release/trunk/doc/CHANGELOG.md#changelog)
           draft: false
           prerelease: false
+
       # Upload release source files
       - name: Upload Release Assets Source
         id: upload-release-assets-source
@@ -165,6 +167,7 @@ jobs:
         with:
           release_id: ${{ steps.create_release.outputs.id }}
           assets_path: ${{ env.SRS_SOURCE_TAR }}
+
       # Upload release package files
       - name: Upload Release Assets Package
         id: upload-release-assets-package
@@ -175,3 +178,19 @@ jobs:
           release_id: ${{ steps.create_release.outputs.id }}
           assets_path: ${{ env.SRS_PACKAGE_ZIP }}
 
+      ##################################################################################################################
+      ##################################################################################################################
+      ##################################################################################################################
+      # K8S release to official website
+      - name: Setup KUBCONFIG for Aliyun ACK
+        run: |-
+          KUBECONFIG=$RUNNER_TEMP/kubeconfig_$(date +%s)
+          echo "${{ secrets.KUBCONFIG }}" > $KUBECONFIG
+          echo "KUBECONFIG=$KUBECONFIG" >> $GITHUB_ENV
+      # K8S for SRS 4.0
+      - name: Release SRS 4.0 to Aliyun ACK
+        if: ${{ startsWith(github.ref, 'refs/tags/v4') }}
+        run: |-
+          kubectl set image deploy/srs4-deploy srs4=registry.cn-hangzhou.aliyuncs.com/ossrs/srs:$SRS_TAG
+          kubectl describe deploy/srs4-deploy
+
diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 24ee26ca0..6f2008801 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -8,6 +8,7 @@ The changelog for SRS.
 
 ## SRS 4.0 Changelog
 
+* 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
 * v4.0, 2022-01-13, Support configure with --config as default config file. v4.0.227
diff --git a/trunk/src/core/srs_core_version4.hpp b/trunk/src/core/srs_core_version4.hpp
index 32d01f087..1dbdd5f86 100644
--- a/trunk/src/core/srs_core_version4.hpp
+++ b/trunk/src/core/srs_core_version4.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR       4
 #define VERSION_MINOR       0
-#define VERSION_REVISION    229
+#define VERSION_REVISION    230
 
 #endif