执行 Ruff 安全自动修复

web/backend/services/douyu_runner_donate.py

@@ -1,15 +1,15 @@
 """斗鱼任务执行器：送礼（由 douyu_runner.py 按功能域拆分）。"""
 
 from __future__ import annotations
-from datetime import datetime, timezone
-from typing import Any, TYPE_CHECKING
+
+from datetime import UTC, datetime
+from typing import TYPE_CHECKING, Any
+
 from sqlalchemy.orm import Session
 
 from core.douyu import DouyuActivityClient
-from ..models import Account, DouyuTask
 
-if TYPE_CHECKING:
-    from .douyu_runner import DouyuBatchRunner
+from ..models import Account, DouyuTask
 
 DOUYU_GIFT_POINTS_REFRESH_TIMES = 3
 DOUYU_GIFT_POINTS_REFRESH_INTERVAL = 2
@@ -177,7 +177,7 @@ class DonateMixin:
             result["refresh_errors"] = refresh_errors
 
         account.esports_bind_status = "esports_gift_donated"
-        account.updated_at = datetime.now(timezone.utc)
+        account.updated_at = datetime.now(UTC)
         message = f"赠送{gift_name}成功: {gift_count}"
         if account.gold_balance is not None:
             message += f"，鱼翅余额: {account.gold_balance}"
@@ -273,7 +273,7 @@ class DonateMixin:
         if refresh_errors:
             result["refresh_errors"] = refresh_errors
         account.bind_status = "gift_donated"
-        account.updated_at = datetime.now(timezone.utc)
+        account.updated_at = datetime.now(UTC)
         message = f"赠送精英令成功: {gift_count}"
         if account.gold_balance is not None:
             message += f"，鱼翅余额: {account.gold_balance}"