Potential fix for code scanning alert no. 4: Workflow does not contain permissions (#18)

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: hippieZhou

.github/workflows/deploy-pages.yml

@@ -13,6 +13,8 @@ jobs:
   # 构建和测试作业
   build-and-test:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
     env:
       NODE_VERSION: "20"
     defaults: