diff --git a/.gitea/workflows/ci-cd.yml b/.gitea/workflows/ci-cd.yml
index 39208aa87..488631f21 100755
--- a/.gitea/workflows/ci-cd.yml
+++ b/.gitea/workflows/ci-cd.yml
@@ -316,7 +316,7 @@ jobs:
           python3 -m coverage report --fail-under=65 > /dev/null
         fi
     - name: Diff coverage check (增量行覆盖率)
-      if: github.event_name == 'pull_request'
+      if: github.event_name == 'pull_request' && env.HAS_APP_CHANGES == 'true'
       shell: sh
       env:
         GITHUB_TOKEN: ${{ github.token }}