fix: correct display time for snooze reminder in callback handler

bot/handlers/callback.py

@@ -1,5 +1,6 @@
 from datetime import datetime, timedelta, timezone
 
+import pytz
 from telegram import Update
 from telegram.ext import ContextTypes
 
@@ -38,8 +39,10 @@ async def handle_callback(update: Update, context: ContextTypes.DEFAULT_TYPE) ->
                 lambda ctx: execute_reminder(reminder_id, ctx.bot),
                 when=snooze_time,
             )
+            tz = pytz.timezone("Asia/Shanghai")
+            display_time = snooze_time.astimezone(tz).strftime('%H:%M')
             await query.edit_message_text(
-                f"⏰ 已延期10分钟，将在 {snooze_time.strftime('%H:%M')} 再次提醒。"
+                f"⏰ 已延期10分钟，将在 {display_time} 再次提醒。"
             )
 
         elif action == "pause":