更新qmt代码

qmt/qmt_test.py

@@ -1,4 +1,5 @@
 from xtquant import xttrader
+from xtquant.xtdata import download_history_data, get_market_data
 from xtquant.xttype import StockAccount
 import random
 
@@ -31,5 +32,5 @@ else:
     print('订阅失败')
 
 
-asset = xt_trader.query_stock_asset(account)
-print(asset.cash)
+download_history_data('000001.SZ', '1m', start_time='20251201', end_time='')
+print(get_market_data(stock_list=['000001.SZ'], period='1m', start_time='20251201', end_time=''))