Update convert-images.yml

.github/workflows/convert-images.yml

@@ -30,10 +30,13 @@ jobs:
 
     # 提交转换后的图片
     - name: Commit and push changes
-      continue-on-error: true
       run: |
         git config user.name "GitHub Actions"
         git config user.email "[email protected]"
-        git add images/ images.json
-        git commit -m "Auto-generate images.json and converted images" || echo "No changes to commit"
-        git push || echo "No changes to push"
+        if [ -n "$(git status --porcelain)" ]; then
+          git add images/ images.json
+          git commit -m "Auto-generate images.json and converted images"
+          git push
+        else
+          echo "No changes to commit, skipping push"
+        fi