diff --git a/examples/DataRecording/DR_setting.json b/examples/DataRecording/DR_setting.json
index 07030299..008c647e 100644
--- a/examples/DataRecording/DR_setting.json
+++ b/examples/DataRecording/DR_setting.json
@@ -3,13 +3,16 @@
 
     "tick":
     [
+        ["rb1801", "CTP"],
+        ["m1801", "CTP"],
+        ["TA801", "CTP"]
     ],
 
     "bar":
     [
-        ["BTC_CNY_SPOT", "OKCOIN"],
-        ["LTC_CNY_SPOT", "OKCOIN"],
-        ["ETH_CNY_SPOT", "OKCOIN"]
+        ["rb1801", "CTP"],
+        ["m1801", "CTP"],
+        ["TA801", "CTP"]
     ],
 
     "active":
diff --git a/examples/DataRecording/runDataCleaning.py b/examples/DataRecording/runDataCleaning.py
new file mode 100644
index 00000000..d99be501
--- /dev/null
+++ b/examples/DataRecording/runDataCleaning.py
@@ -0,0 +1,84 @@
+# encoding: UTF-8
+
+import json
+from datetime import datetime, timedelta, time
+
+from pymongo import MongoClient
+
+from vnpy.trader.app.ctaStrategy.ctaBase import MINUTE_DB_NAME, TICK_DB_NAME
+
+
+# 这里以商品期货为例
+MORNING_START = time(9, 0)
+MORNING_REST = time(10, 15)
+MORNING_RESTART = time(10, 30)
+MORNING_END = time(11, 30)
+AFTERNOON_START = time(13, 30)
+AFTERNOON_END = time(15, 0)
+NIGHT_START = time(21, 0)
+NIGHT_END = time(2, 30)
+
+
+#----------------------------------------------------------------------
+def cleanData(dbName, collectionName, start):
+    """清洗数据"""
+    print u'\n清洗数据库：%s, 集合：%s, 起始日：%s' %(dbName, collectionName, start)
+    
+    mc = MongoClient('localhost', 27017)    # 创建MongoClient
+    cl = mc[dbName][collectionName]         # 获取数据集合
+    d = {'datetime':{'$gte':start}}         # 只过滤从start开始的数据
+    cx = cl.find(d)                         # 获取数据指针
+    
+    # 遍历数据
+    for data in cx:
+        # 获取时间戳对象
+        time = data['datetime'].time()
+        
+        # 默认需要清洗
+        cleanRequired = True
+        
+        # 如果在交易事件内，则为有效数据，无需清洗
+        if ((MORNING_START <= dt < MORNING_REST) or
+            (MORNING_RESTART <= dt < MORNING_END) or
+            (AFTERNOON_START <= dt < AFTERNOON_END) or
+            (dt >= NIGHT_START) or
+            (dt < NIGHT_END)):
+            cleanRequired = False
+        
+        # 如果需要清洗
+        if cleanRequired:
+            print u'删除无效数据，时间戳：%s' %data['datetime']
+            cl.delete_one(data)
+    
+    print u'清洗完成，数据库：%s, 集合：%s' %(dbName, collectionName)
+    
+
+
+#----------------------------------------------------------------------
+def runDataCleaning():
+    """运行数据清洗"""
+    print u'开始数据清洗工作'
+    
+    # 加载配置
+    setting = {}
+    with open("DR_setting.json") as f:
+        setting = json.load(f)
+        
+    # 遍历执行清洗
+    today = datetime.now()
+    start = today - timedelta(10)   # 清洗过去10天数据
+    start.replace(hour=0, minute=0, second=0, microsecond=0)
+    
+    for l in setting['tick']:
+        symbol = l[0]
+        cleanData(TICK_DB_NAME, symbol, start)
+        
+    for l in setting['bar']:
+        symbol = l[0]
+        cleanData(MINUTE_DB_NAME, symbol, start)
+    
+    print u'数据清洗工作完成'
+    
+
+if __name__ == '__main__':
+    runDataCleaning()
\ No newline at end of file