From a473ee7397a3f7d81b8cbfcaa715ed64b6edc41b Mon Sep 17 00:00:00 2001
From: OpenClaw Agent <openclaw@example.com>
Date: Sun, 8 Feb 2026 05:21:02 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D:=20=E4=BD=BF=E7=94=A8=20curr?=
 =?UTF-8?q?ent=5Fapp=20=E6=9B=BF=E4=BB=A3=20app=20=E8=AE=BF=E9=97=AE?=
 =?UTF-8?q?=E9=85=8D=E7=BD=AE?=
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问题: database.py 中 get_statistics 使用 app.config['TIMEZONE']，
      但 app 对象未导入，导致 AttributeError

解决:
1. 导入 current_app: from flask import current_app
2. 使用 current_app.config['TIMEZONE'] 替代 app.config['TIMEZONE']
3. current_app 是 Flask 上下文代理，自动指向当前应用实例

符合 Flask 官方最佳实践
---
 database.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/database.py b/database.py
index 4806c6f..5f4e74d 100644
--- a/database.py
+++ b/database.py
@@ -7,6 +7,7 @@ import json
 from datetime import datetime, timedelta, timezone
 from typing import List, Optional, Dict, Any
 import os
+from flask import current_app
 
 
 class Database:
@@ -322,7 +323,7 @@ class Database:
         total = cursor.fetchone()['total']
 
         # 使用本地时区计算今日和本周的 UTC 时间范围
-        local_tz = pytz.timezone(self.timezone)
+        local_tz = pytz.timezone(current_app.config['TIMEZONE'])
         local_now = datetime.now(local_tz)
 
         # 今日本地时间的开始和结束