diff --git a/vn.strategy/strategydemo/backtestingEngine.py b/vn.strategy/strategydemo/backtestingEngine.py
index a30f51f2..d30f0aa2 100644
--- a/vn.strategy/strategydemo/backtestingEngine.py
+++ b/vn.strategy/strategydemo/backtestingEngine.py
@@ -151,10 +151,10 @@ class BacktestingEngine(object):
     def __loadDataHistoryFromLocalCache(self, symbol, startDate, endDate):
         """看本地缓存是否存在"""
 
-        cacheFolder = os.getcwd()+'\\cache'
+        cacheFolder = os.getcwd()+'\/cache'
 
 
-        cacheFile = u'{0}\\{1}_{2}_{3}.pickle'.format(cacheFolder,symbol, startDate.strftime('%Y-%m-%d'), endDate.strftime('%Y-%m-%d'))
+        cacheFile = u'{0}\/{1}_{2}_{3}.pickle'.format(cacheFolder,symbol, startDate.strftime('%Y-%m-%d'), endDate.strftime('%Y-%m-%d'))
 
         if not os.path.isfile(cacheFile):
             return False
@@ -166,12 +166,12 @@ class BacktestingEngine(object):
 
     def __saveDataHistoryToLocalCache(self, symbol, startDate, endDate):
         """保存本地缓存"""
-        cacheFolder = os.getcwd()+'\\cache'
+        cacheFolder = os.getcwd()+'\/cache'
 
         if not os.path.isdir(cacheFolder):
             os.mkdir(cacheFolder)
 
-        cacheFile = u'{0}\\{1}_{2}_{3}.pickle'.format(cacheFolder,symbol, startDate.strftime('%Y-%m-%d'), endDate.strftime('%Y-%m-%d'))
+        cacheFile = u'{0}\/{1}_{2}_{3}.pickle'.format(cacheFolder,symbol, startDate.strftime('%Y-%m-%d'), endDate.strftime('%Y-%m-%d'))
 
         if os.path.isfile(cacheFile):
             return False
diff --git a/vn.strategy/strategydemo/strategyEngine.py b/vn.strategy/strategydemo/strategyEngine.py
index cb3eaa9c..de98a0da 100644
--- a/vn.strategy/strategydemo/strategyEngine.py
+++ b/vn.strategy/strategydemo/strategyEngine.py
@@ -443,7 +443,7 @@ class StrategyEngine(object):
         """
 
         # 保存本地pickle文件
-        resultPath=os.getcwd()+'\\result'
+        resultPath=os.getcwd()+'\/result'
 
         if not os.path.isdir(resultPath):
             os.mkdir(resultPath)
@@ -517,7 +517,7 @@ class StrategyEngine(object):
         """
 
         # 保存本地pickle文件
-        resultPath=os.getcwd()+'\\result'
+        resultPath=os.getcwd()+'\/result'
 
         if not os.path.isdir(resultPath):
             os.mkdir(resultPath)
@@ -1084,7 +1084,7 @@ class StrategyTemplate(object):
     def cancelOrder(self, orderRef):
         """撤单"""
         self.engine.cancelOrder(orderRef)
-        
+
     #----------------------------------------------------------------------
     def cancelStopOrder(self, so):
         """撤销停止单"""