diff --git a/vnpy_spreadtrading/template.py b/vnpy_spreadtrading/template.py
index 89934b1..27202b2 100644
--- a/vnpy_spreadtrading/template.py
+++ b/vnpy_spreadtrading/template.py
@@ -1,5 +1,4 @@
 from collections import defaultdict
-from re import T
 from typing import Dict, List, Set, Callable, TYPE_CHECKING, Optional
 from copy import copy
 
diff --git a/vnpy_spreadtrading/ui/widget.py b/vnpy_spreadtrading/ui/widget.py
index b8f07c2..86b27b0 100644
--- a/vnpy_spreadtrading/ui/widget.py
+++ b/vnpy_spreadtrading/ui/widget.py
@@ -3,6 +3,7 @@
 """
 
 from typing import Dict, List, Any
+
 from vnpy.event import EventEngine, Event
 from vnpy.trader.engine import MainEngine
 from vnpy.trader.object import LogData