diff --git a/vnpy/trader/app/algoTrading/stopAlgo.py b/vnpy/trader/app/algoTrading/stopAlgo.py
index cb711121..3cbdcdf3 100644
--- a/vnpy/trader/app/algoTrading/stopAlgo.py
+++ b/vnpy/trader/app/algoTrading/stopAlgo.py
@@ -6,7 +6,8 @@ from collections import OrderedDict
 from six import text_type
 
 from vnpy.trader.vtConstant import (DIRECTION_LONG, DIRECTION_SHORT,
-                                    OFFSET_OPEN, OFFSET_CLOSE)
+                                    OFFSET_OPEN, OFFSET_CLOSE,
+                                    STATUS_ALLTRADED, STATUS_CANCELLED, STATUS_REJECTED)
 from vnpy.trader.uiQt import QtWidgets
 
 from .algoTemplate import AlgoTemplate