diff --git a/.github/workflows/merge-milestone-PR.yml b/.github/workflows/merge-milestone-PR.yml
new file mode 100644
index 0000000..a9dc0e8
--- /dev/null
+++ b/.github/workflows/merge-milestone-PR.yml
@@ -0,0 +1,92 @@
+name: Single PR for Closed Milestone PRs
+
+on:
+  workflow_dispatch:  # Manual trigger
+    inputs:
+      milestone:
+        description: 'Milestone name to collect closed PRs from'
+        required: true
+        default: 'v3.8.2'  # Default milestone set to v3.8.2
+      target_branch:
+        description: 'Target branch to merge the consolidated PR'
+        required: true
+        default: 'pre-release-v3.8.2'  # Default target branch with pre-release-v*.* format
+  schedule:
+    - cron: '0 0 * * 0'  # Scheduled to run every Sunday at 00:00 UTC
+
+env:
+  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+jobs:
+  cherry_pick_closed_milestone_prs:
+    runs-on: ubuntu-latest
+    steps:
+      # Step 1: Checkout the repository code
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      # Step 2: Set up Git user details for making commits
+      - name: Setup Git
+        run: |
+          git config --global user.name "github-actions[bot]"
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+
+      # Step 3: Install GitHub CLI to interact with milestones and PRs
+      - name: Install GitHub CLI
+        run: sudo apt install gh
+
+      # Step 4: Authenticate GitHub CLI using GITHUB_TOKEN
+      - name: Authenticate GitHub CLI
+        run: echo "${{ env.GITHUB_TOKEN }}" | gh auth login --with-token
+
+      # Step 5: Fetch closed PRs from the specified milestone
+      - name: Fetch Closed PRs from Milestone
+        id: fetch_prs
+        run: |
+          milestone="${{ github.event.inputs.milestone }}"
+          prs=$(gh pr list --search "milestone:$milestone is:closed" --json number,headRefName,mergeCommit)
+          echo "::set-output name=prs::$prs"
+
+      # Step 6: Create a new branch from main, cherry-pick PRs, and push to remote
+      - name: Create and Cherry-pick Branch
+        if: ${{ steps.fetch_prs.outputs.prs != '[]' }}
+        run: |
+          target_branch="${{ github.event.inputs.target_branch }}"
+          cherry_pick_branch="milestone-cherry-pick-$(date +%Y%m%d%H%M%S)"
+
+          # Switch to main branch, pull latest changes, then create a new cherry-pick branch
+          git checkout main
+          git pull origin main
+          git checkout -b $cherry_pick_branch
+
+          # Iterate over closed PRs in the milestone and cherry-pick each merge commit
+          echo "${{ steps.fetch_prs.outputs.prs }}" | jq -c '.[]' | while read -r pr; do
+            pr_number=$(echo "$pr" | jq '.number')
+            merge_commit=$(echo "$pr" | jq -r '.mergeCommit')
+
+            if [ "$merge_commit" != "null" ]; then
+              # Check if the merge commit is already in the target branch
+              if git merge-base --is-ancestor $merge_commit $target_branch; then
+                echo "Skipping PR #$pr_number - Commit $merge_commit already in $target_branch"
+              else
+                echo "Cherry-picking PR #$pr_number with commit $merge_commit"
+                git cherry-pick $merge_commit || git cherry-pick --abort
+              fi
+            else
+              echo "Skipping PR #$pr_number as it does not have a merge commit."
+            fi
+          done
+
+          # Push the cherry-pick branch to the remote repository
+          git push origin $cherry_pick_branch
+
+      # Step 7: Create a single pull request to merge the cherry-pick branch into the target branch
+      - name: Create Pull Request to Target Branch
+        if: steps.fetch_prs.outputs.prs != "[]"
+        uses: peter-evans/create-pull-request@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          branch: $cherry_pick_branch
+          base: ${{ github.event.inputs.target_branch }}
+          title: "Consolidated Closed Milestone PRs for ${{ github.event.inputs.target_branch }}"
+          body: "This PR includes all cherry-picked changes from closed PRs in milestone '${{ github.event.inputs.milestone }}' to ${{ github.event.inputs.target_branch }}."
diff --git a/.github/workflows/milestone.yml b/.github/workflows/milestone.yml
new file mode 100644
index 0000000..df86248
--- /dev/null
+++ b/.github/workflows/milestone.yml
@@ -0,0 +1,52 @@
+name: Assign Milestone to PR
+
+on:
+  pull_request:
+    types: [opened, edited, reopened]
+
+jobs:
+  assign-milestone:
+    runs-on: ubuntu-latest
+
+    env:
+      STABLE_VERSION_MILESTONE: v3.8
+      FEATURE_VERSION_MILESTONE: v3.8.2
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Set milestone based on PR title
+      id: set-milestone
+      run: |
+        if [[ "${{ github.event.pull_request.title }}" == fix:* ]]; then
+          echo "::set-output name=milestone::${{ env.STABLE_VERSION_MILESTONE }}"
+        else
+          echo "::set-output name=milestone::${{ env.FEATURE_VERSION_MILESTONE }}"
+        fi
+      shell: bash
+
+    - name: Assign milestone to PR
+      uses: actions/github-script@v6
+      with:
+        script: |
+          const pr = context.payload.pull_request;
+          const milestoneTitle = '${{ steps.set-milestone.outputs.milestone }}';
+
+          const { data: milestones } = await github.rest.issues.listMilestones({
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+          });
+
+          const milestone = milestones.find(m => m.title === milestoneTitle);
+
+          if (milestone) {
+            await github.rest.issues.update({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: pr.number,
+              milestone: milestone.number
+            });
+            console.log(`Assigned milestone "${milestone.title}" to PR #${pr.number}`);
+          } else {
+            console.log(`Milestone "${milestoneTitle}" not found.`);
\ No newline at end of file
diff --git a/.github/workflows/del-bot-gen-branch.yml b/.github/workflows/unused/del-bot-gen-branch.yml
similarity index 100%
rename from .github/workflows/del-bot-gen-branch.yml
rename to .github/workflows/unused/del-bot-gen-branch.yml
diff --git a/.github/workflows/update-release-file.ymlbak b/.github/workflows/unused/update-release-file.ymlbak
similarity index 100%
rename from .github/workflows/update-release-file.ymlbak
rename to .github/workflows/unused/update-release-file.ymlbak
diff --git a/.github/workflows/unused/upgrade-version-by-tag.yml b/.github/workflows/unused/upgrade-version-by-tag.yml
new file mode 100644
index 0000000..4b1f6f9
--- /dev/null
+++ b/.github/workflows/unused/upgrade-version-by-tag.yml
@@ -0,0 +1,56 @@
+# name: Upgrade version by tag
+
+# permissions:
+#   contents: write
+#   pull-requests: write
+
+# on:
+#   push:
+#     tags:
+#       - 'v[0-9]+.[0-9]+.[0-9]+'
+
+# jobs:
+#   upgrade_version:
+#     runs-on: ubuntu-latest
+#     env:
+#       TAG_VERSION: ${{ github.ref_name }} 
+#       BRANCH_NAME: update-tag-version-${{ github.ref_name }}
+#     steps:
+#       # Step 1: Checkout the original repository's code
+#       - name: Checkout code
+#         uses: actions/checkout@v4
+#         with:
+#           # repository: openimsdk/actions-test
+#           fetch-depth: 0
+
+#       # Step 2: Set up Git with official account
+#       - name: Set up Git
+#         run: |
+#           git config user.name "github-actions[bot]"
+#           git config user.email "github-actions[bot]@users.noreply.github.com"
+
+#       # # Step 3: Create a new branch for version update
+#       # - name: Create new branch for version update
+#       #   run: |
+#       #     git checkout -b ${{ env.BRANCH_NAME }}
+
+#       # Step 4: Update version file
+#       - name: Update version file
+#         run: |
+#           echo "${{ env.TAG_VERSION }}" > version/version
+
+
+#       # Step 5: Create a Pull Request from the new branch to the original repository
+#       - name: Create Pull Request
+#         id: create_pr
+#         uses: peter-evans/create-pull-request@v7.0.1
+#         with:
+#           branch-token: ${{ secrets.GITHUB_TOKEN }}
+#           token: ${{ secrets.GITHUB_TOKEN }} 
+#           # token: ${{ secrets.BOT_TOKEN }} 
+#           commit-message: "Update version to ${{ env.TAG_VERSION }}"
+#           branch: ${{ env.BRANCH_NAME }}
+#           delete-branch: true
+#           base: main 
+#           title: "Update version to ${{ env.TAG_VERSION }}"
+#           body: "This PR updates the version file to the new tag version ${{ env.TAG_VERSION }}."
diff --git a/.github/workflows/change-release.yml b/.github/workflows/update-version-file-on-release.yml
similarity index 70%
rename from .github/workflows/change-release.yml
rename to .github/workflows/update-version-file-on-release.yml
index 63efc2a..f582edf 100644
--- a/.github/workflows/change-release.yml
+++ b/.github/workflows/update-version-file-on-release.yml
@@ -1,4 +1,4 @@
-name: Update Version and Tag
+name: Update Version File on Release
 
 on:
   release:
@@ -9,7 +9,6 @@ jobs:
     runs-on: ubuntu-latest
     env:
       TAG_VERSION: ${{ github.event.release.tag_name }} 
-      BRANCH_NAME: update-tag-version-${{ github.event.release.tag_name }}
     steps:
       # Step 1: Checkout the original repository's code
       - name: Checkout code
@@ -53,30 +52,33 @@ jobs:
           git tag ${{ env.TAG_VERSION }}
           git push origin ${{ env.TAG_VERSION }}
 
-      # Step 7: Wait for changes to propagate
-      - name: Wait for changes
-        run: sleep 30
-
-      # Step 8: Publish Release if Draft
-      - name: Publish Release if Draft
+      # Step 8: Find and Publish Draft Release
+      - name: Find and Publish Draft Release
         uses: actions/github-script@v6
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           script: |
-            const { data: release } = await github.rest.repos.getReleaseByTag({
+            // Get the list of releases
+            const releases = await github.rest.repos.listReleases({
               owner: context.repo.owner,
-              repo: context.repo.repo,
-              tag: context.payload.release.tag_name
+              repo: context.repo.repo
             });
-            
-            if (release.draft) {
+
+            // Find the draft release where the title and tag_name are the same
+            const draftRelease = releases.data.find(release => 
+              release.draft && release.name === release.tag_name
+            );
+
+            if (draftRelease) {
+              // Publish the draft release using the release_id
               await github.rest.repos.updateRelease({
                 owner: context.repo.owner,
                 repo: context.repo.repo,
-                release_id: release.id,
+                release_id: draftRelease.id,  // Use release_id
                 draft: false
               });
-              core.info(`Release ${release.tag_name} published successfully.`);
+
+              core.info(`Draft Release ${draftRelease.tag_name} published successfully.`);
             } else {
-              core.info(`Release ${release.tag_name} is already published.`);
+              core.info("No matching draft release found.");
             }
\ No newline at end of file
diff --git a/.github/workflows/upgrade-version-by-tag.yml b/.github/workflows/upgrade-version-by-tag.yml
deleted file mode 100644
index b2248e2..0000000
--- a/.github/workflows/upgrade-version-by-tag.yml
+++ /dev/null
@@ -1,56 +0,0 @@
-name: Upgrade version by tag
-
-permissions:
-  contents: write
-  pull-requests: write
-
-on:
-  push:
-    tags:
-      - 'v[0-9]+.[0-9]+.[0-9]+'
-
-jobs:
-  upgrade_version:
-    runs-on: ubuntu-latest
-    env:
-      TAG_VERSION: ${{ github.ref_name }} 
-      BRANCH_NAME: update-tag-version-${{ github.ref_name }}
-    steps:
-      # Step 1: Checkout the original repository's code
-      - name: Checkout code
-        uses: actions/checkout@v4
-        with:
-          # repository: openimsdk/actions-test
-          fetch-depth: 0
-
-      # Step 2: Set up Git with official account
-      - name: Set up Git
-        run: |
-          git config user.name "github-actions[bot]"
-          git config user.email "github-actions[bot]@users.noreply.github.com"
-
-      # # Step 3: Create a new branch for version update
-      # - name: Create new branch for version update
-      #   run: |
-      #     git checkout -b ${{ env.BRANCH_NAME }}
-
-      # Step 4: Update version file
-      - name: Update version file
-        run: |
-          echo "${{ env.TAG_VERSION }}" > version/version
-
-
-      # Step 5: Create a Pull Request from the new branch to the original repository
-      - name: Create Pull Request
-        id: create_pr
-        uses: peter-evans/create-pull-request@v7.0.1
-        with:
-          branch-token: ${{ secrets.GITHUB_TOKEN }}
-          token: ${{ secrets.GITHUB_TOKEN }} 
-          # token: ${{ secrets.BOT_TOKEN }} 
-          commit-message: "Update version to ${{ env.TAG_VERSION }}"
-          branch: ${{ env.BRANCH_NAME }}
-          delete-branch: true
-          base: main 
-          title: "Update version to ${{ env.TAG_VERSION }}"
-          body: "This PR updates the version file to the new tag version ${{ env.TAG_VERSION }}."