fix ci

Author: liulifox233

.github/workflows/check-upload.yml

@@ -22,7 +22,7 @@ env:
   BACKUP_URL: ${{ secrets.BACKUP_URL }}
   BACKUP_ACCESS_KEY_ID: ${{ secrets.BACKUP_ACCESS_KEY_ID }}
   BACKUP_SECRET_ACCESS_KEY: ${{ secrets.BACKUP_SECRET_ACCESS_KEY }}
-  BACKUP_BUCKET: ${{ vars.BACKUP_BUCKET }}
+  BACKUP_BUCKET: ${{ secrets.BACKUP_BUCKET }}
   BACKUP_REGION: ${{ secrets.BACKUP_REGION }}
 
 jobs: