我这个是怎么了

15:28:20 初始化CTA回测引擎
15:28:20 策略文件加载完成
15:28:20 数据服务初始化成功
15:28:28 ----------------------------------------
15:28:28 IF88.CFFEX-1m开始下载历史数据
15:28:29 数据下载失败，触发异常：
Traceback (most recent call last):
File "D:\VeighNa\lib\site-packages\vnpy_ctabacktester\engine.py", line 404, in run_downloading
data: List[BarData] = self.datafeed.query_bar_history(req)
File "D:\VeighNa\lib\site-packages\vnpy_jqdata\jqdata_datafeed.py", line 126, in query_bar_history
df = jq.get_price(
File "C:\Users\linle\AppData\Roaming\Python\Python310\site-packages\jqdatasdk\utils.py", line 308, in _wrapper
return func(*args, kwargs)
File "C:\Users\linle\AppData\Roaming\Python\Python310\site-packages\jqdatasdk\api.py", line 39, in get_price
return JQDataClient.instance().get_price(locals())
File "C:\Users\linle\AppData\Roaming\Python\Python310\site-packages\jqdatasdk\client.py", line 347, in <lambda>
return lambda kwargs: self(method, kwargs)
File "C:\Users\linle\AppData\Roaming\Python\Python310\site-packages\jqdatasdk\client.py", line 331, in call
result = self.query(method, kwargs)
File "C:\Users\linle\AppData\Roaming\Python\Python310\site-packages\jqdatasdk\client.py", line 271, in query
raise self.get_error(response)
Exception: 无效的证券代码 'IF88.CCFX'

15:29:05 ----------------------------------------
15:29:05 LH9999.XDCE-1m开始下载历史数据
15:29:05 LH9999.XDCE解析失败，请检查交易所后缀
15:29:16

需要金融人士，上传真是名片认证才能用

不到数据库驱动vnpy_sqlite，使用默认的SQLite数据库

xiaohe wrote:

检查一下环境吧，非交易时间连第二套，看你图上连的第一套第二组

套是什么？