diff --git a/scripts/ci_notify_failure.py b/scripts/ci_notify_failure.py
index d02cce9d5..61a662592 100644
--- a/scripts/ci_notify_failure.py
+++ b/scripts/ci_notify_failure.py
@@ -1,15 +1,19 @@
 #!/usr/bin/env python3
 """发送 CI 失败通知到飞书/项目群 webhook。"""
+
 import json
 import os
 import sys
 import urllib.request
+
+
 def main() -> int:
     webhook = os.environ.get("CI_NOTIFY_WEBHOOK", "")
     if not webhook:
         print("未配置 CI_NOTIFY_WEBHOOK，跳过通知")
         print("如需启用，请在仓库 Settings -> Secrets and variables -> Actions 中添加 CI_NOTIFY_WEBHOOK")
         return 0
+
     failed_job = os.environ.get("FAILED_JOB", "Unknown Job")
     branch = os.environ.get("GITHUB_REF_NAME", "unknown")
     commit = os.environ.get("GITHUB_SHA", "unknown")[:8]
@@ -17,6 +21,7 @@ def main() -> int:
     run_id = os.environ.get("GITHUB_RUN_ID", "unknown")
     repo = os.environ.get("GITHUB_REPOSITORY", "unknown")
     run_url = f"https://git.xiaoxiajianji.com/{repo}/actions/runs/{run_id}"
+
     payload = {
         "msg_type": "interactive",
         "card": {
@@ -55,6 +60,7 @@ def main() -> int:
             ],
         },
     }
+
     data = json.dumps(payload).encode("utf-8")
     req = urllib.request.Request(
         webhook,
@@ -69,6 +75,10 @@ def main() -> int:
     except Exception as e:
         print(f"通知发送失败: {e}", file=sys.stderr)
         return 1
+
     return 0
+
+
 if __name__ == "__main__":
     sys.exit(main())
+