From b39e93fead5422e943e4e270b10df25fb57ef512 Mon Sep 17 00:00:00 2001
From: liuwei <liuwei@wdtrgf.com.cn>
Date: Tue, 6 Jan 2026 16:11:10 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=9D=E8=AF=95=E8=BF=9B=E8=A1=8C=E6=80=BB?=
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---
 utils/wechat/message_to_db.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/utils/wechat/message_to_db.py b/utils/wechat/message_to_db.py
index b33bcda..deeaa0c 100644
--- a/utils/wechat/message_to_db.py
+++ b/utils/wechat/message_to_db.py
@@ -517,7 +517,8 @@ class MessageStorage:
         import xml.etree.ElementTree as ET
 
         # 按日期和时间分组
-        time_groups = defaultdict(lambda: defaultdict(list))
+        # 结构: {date_key: {time_key: {sender_name: [contents]}}}
+        time_groups = defaultdict(lambda: defaultdict(lambda: defaultdict(list)))
         dates_included = set()  # 记录出现的日期
 
         for msg in messages: