fix: 隐藏 Demo 标识并修正时间展示

app/services/task_service.py

@@ -3,6 +3,7 @@ import json
 from concurrent.futures import ThreadPoolExecutor
 from collections.abc import Callable
 from datetime import UTC, datetime
+from zoneinfo import ZoneInfo
 
 from sqlalchemy import func, select
 from sqlalchemy.orm import Session, sessionmaker
@@ -22,6 +23,7 @@ RUNNING_TASK_MESSAGE = "当前有正在运行的任务，请稍后再试"
 RESTART_ERROR_MESSAGE = "系统重启，任务被中断"
 STALE_PROGRESS_THRESHOLD_SECONDS = 10 * 60
 STALE_PROGRESS_ERROR_TYPE = "stale_progress_timeout"
+DISPLAY_TIMEZONE = ZoneInfo("Asia/Shanghai")
 task_executor = ThreadPoolExecutor(max_workers=1)
 
 
@@ -227,7 +229,7 @@ def calculate_task_display_number(session: Session, task: Task) -> int:
 
 def format_datetime_minute(value: datetime | None) -> str:
     value = ensure_utc_datetime(value)
-    return value.strftime("%Y-%m-%d %H:%M") if value else ""
+    return value.astimezone(DISPLAY_TIMEZONE).strftime("%Y-%m-%d %H:%M") if value else ""
 
 
 def build_task_error_summary(task: Task) -> str | None: