WARNING – 开始启动复盘服务器，请稍候。
Traceback (most recent call last):
File “C:\Users\Administrator\Desktop\strategy0.py”, line 10, in <module>
api=TqApi(backtest=TqReplay(date(2020,3,9)),web_gui=True)
File “D:\ProgramFiles\Anaconda3\Lib\site-packages\tqsdk\api.py”, line 240, in __init__
self._setup_connection() # 初始化通讯连接
File “D:\ProgramFiles\Anaconda3\Lib\site-packages\tqsdk\api.py”, line 1165, in _setup_connection
self._ins_url, self._md_url = self._backtest._create_server(self)
File “D:\ProgramFiles\Anaconda3\Lib\site-packages\tqsdk\backtest.py”, line 495, in _create_server
raise Exception(“无法创建复盘服务器，请检查复盘日期后重试。”)
Exception: 无法创建复盘服务器，请检查复盘日期后重试。
Task was destroyed but it is pending!
task: <Task pending coro=<TqApi._notify_watcher() running at D:\ProgramFiles\vnstudio210\lib\site-packages\tqsdk\api.py:1560> cb=[TqApi._on_task_done()]>
Task was destroyed but it is pending!
task: <Task pending coro=<TqApi._windows_patch() running at D:\ProgramFiles\vnstudio210\lib\site-packages\tqsdk\api.py:1555> cb=[TqApi._on_task_done()]>
sys:1: RuntimeWarning: coroutine ‘TqApi._notify_watcher’ was never awaited
sys:1: RuntimeWarning: coroutine ‘TqApi._windows_patch’ was never awaited
昨天不能使用，今天第一次运行可以使用，刚才又不能用了
