try this?

Author: zml2008

.github/workflows/check-format.yaml

@@ -14,8 +14,6 @@ permissions:
 
 jobs:
   check:
-    # Only run on PRs if the source branch is on someone else's repo
-    if: "${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}"
     runs-on: ubuntu-latest
     steps:
       - name: "setup"
@@ -31,7 +29,12 @@ jobs:
         env:
           REVIEWDOG_GITHUB_API_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
         run: |
-          poetry run ruff format --diff | reviewdog -reporter=github-check -f=diff -f.diff.strip=0 -name=ruff-format -filter-mode=nofilter -fail-on-error
+          if [ "$GITHUB_EVENT_NAME" = "pull_request" ]; then
+            REPORTER="github-pr-review"
+          else
+            REPORTER="github-check"
+          fi
+          poetry run ruff format --diff | reviewdog -reporter=github-pr-revi -f=diff -f.diff.strip=0 -name=ruff-format -filter-mode=nofilter -fail-level=error
       - name: "run ruff / check"
         if: "${{ always() && steps.install.conclusion == 'success' }}"
         run: "poetry run ruff check --output-format=github"