auto generate openapi

.github/workflows/linux.yml

@@ -38,11 +38,12 @@ jobs:
 
     - name: Commit and push if ./www/swagger/openapi.json changed
       run: |
-          git diff --exit-code ./www/swagger/openapi.json || exit 0
+          git diff --exit-code ./www/swagger/openapi.json || (
           git config --global user.name "github-actions[bot]"
           git config --global user.email "github-actions[bot]@users.noreply.github.com"
           git add ./www/swagger/openapi.json
           git commit -m "update openapi.json"
           git push origin HEAD:master
+          )