diff --git a/.github/workflows/release-nightly-ota.yml b/.github/workflows/release-nightly-ota.yml
index 4ce6980e7e..769b619d79 100644
--- a/.github/workflows/release-nightly-ota.yml
+++ b/.github/workflows/release-nightly-ota.yml
@@ -93,7 +93,10 @@ jobs:
       - name: Generate Changelog
         id: generate_changelog
         run: |
-          $content=$(git log --pretty=format:"%s    @%an" ${{ steps.set_tag.outputs.pre_version }}..alpha/${{ steps.set_tag.outputs.tag }})
+          # pre_version是上一个公版，这里需要拉上一个tag，避免堆积过多commit
+          latest_tag=$(git describe --tags --abbrev=0)
+          content=$(git log --pretty=format:"%s    @%an" $latest_tag..alpha/${{ steps.set_tag.outputs.tag }})
+          content=%content:\n=\n\n%
           echo "changelog=$content" >> $env:GITHUB_OUTPUT
           echo $content
 
@@ -241,7 +244,7 @@ jobs:
         run: |
           pre_version=${{ needs.build-win-nightly.outputs.pre_version }}
           cur_version=${{ needs.build-win-nightly.outputs.main_tag_name }}
-          echo -e "${{ inputs.release_body || '' }}\n\n${{ needs.build-win-nightly.outputs.changelog }}\n\n**Full Changelog**: [$pre_version -> $cur_version](https://github.com/$GITHUB_REPOSITORY/compare/$pre_version...$cur_version)" > alpha_changelog.md
+          echo -e "${{ inputs.release_body || '' }}\n\n\n\n${{ needs.build-win-nightly.outputs.changelog }}\n\n**Full Changelog**: [$pre_version -> $cur_version](https://github.com/$GITHUB_REPOSITORY/compare/$pre_version...$cur_version)" > alpha_changelog.md
           export r=$(cat alpha_changelog.md)
 
           # https://github.com/svenstaro/upload-release-action