diff --git a/examples/DataRecording/TT_setting.json b/examples/DataRecording/TT_setting.json
deleted file mode 100644
index 124e49c3..00000000
--- a/examples/DataRecording/TT_setting.json
+++ /dev/null
@@ -1,53 +0,0 @@
-{
-        "CTP_Stock":
-        [
-            [["09:25:00","09:30:00"]],
-            [["09:30:00","11:30:03"],["13:00:00","15:00:03"]]
-        ],
-
-        "CTP_Day":
-        [
-            [["08:59:00","09:00:00"]],
-            [["09:00:00","10:15:03"],["10:30:00","11:30:03"],
-            ["13:30:00","15:00:03"]]
-        ],
-
-        "CTP_N_23_00":
-            [
-                [["08:59:00","09:00:00"],["20:59:00","21:00:00"]],
-                [["09:00:00","10:15:03"],["10:30:00","11:30:03"],
-                ["13:30:00","15:00:03"],["21:00:00","23:00:03"]]
-            ],
-
-        "CTP_N_23_30":
-            [
-                [["08:59:00","09:00:00"],["20:59:00","21:00:00"]],
-                [["09:00:00","10:15:03"],["10:30:00","11:30:03"],
-                ["13:30:00","15:00:03"],["21:00:00","23:30:03"]]
-            ],
-
-        "CTP_N_01_00":
-            [
-                [["08:59:00","09:00:00"],["20:59:00","21:00:00"]],
-                [["09:00:00","10:15:03"],["10:30:00","11:30:03"],
-                ["13:30:00","15:00:03"],["21:00:00","24:00:00"],["00:00:00","01:00:03"]]
-            ],
-
-        "CTP_N_02_30":
-            [
-                [["08:59:00","09:00:00"],["20:59:00","21:00:00"]],
-                [["09:00:00","10:15:03"],["10:30:00","11:30:03"],
-                ["13:30:00","15:00:03"],["21:00:00","24:00:00"],["00:00:00","02:30:03"]]
-            ],
-
-        "rb": "CTP_N_23_00",
-        "hc": "CTP_N_23_00",
-        "j":  "CTP_N_23_30",
-        "jm": "CTP_N_23_30",
-        "m":  "CTP_N_23_30",
-        "au": "CTP_N_02_30",
-        "ag": "CTP_N_02_30",
-        "IF": "CTP_Stock",
-        "IC": "CTP_Stock",
-        "IH": "CTP_Stock"
-}
diff --git a/examples/DataRecording/runDataRecording.py b/examples/DataRecording/runDataRecording.py
index 5e1df9a4..86e6c1e9 100644
--- a/examples/DataRecording/runDataRecording.py
+++ b/examples/DataRecording/runDataRecording.py
@@ -9,25 +9,32 @@ from vnpy.trader.vtEvent import EVENT_LOG
 from vnpy.trader.vtEngine import MainEngine, LogEngine
 from vnpy.trader.gateway import ctpGateway
 from vnpy.trader.app import dataRecorder
+
 #----------------------------------------------------------------------
 def runChildProcess():
     """子进程运行函数"""
     print '-'*20
+
     # 创建日志引擎
     le = LogEngine()
     le.setLogLevel(le.LEVEL_INFO)
     le.addConsoleHandler()
     le.info(u'启动行情记录运行子进程')
+    
     ee = EventEngine2()
     le.info(u'事件引擎创建成功')
+    
     me = MainEngine(ee)
     me.addGateway(ctpGateway)
     me.addApp(dataRecorder)
     le.info(u'主引擎创建成功')
+
     ee.register(EVENT_LOG, le.processLogEvent)
     le.info(u'注册日志事件监听')
+
     me.connect('CTP')
     le.info(u'连接CTP接口')
+
     while True:
         sleep(1)
 
@@ -39,29 +46,37 @@ def runParentProcess():
     le.setLogLevel(le.LEVEL_INFO)
     le.addConsoleHandler()
     le.info(u'启动行情记录守护父进程')
+    
     DAY_START = time(8, 57)         # 日盘启动和停止时间
     DAY_END = time(15, 18)
     NIGHT_START = time(20, 57)      # 夜盘启动和停止时间
     NIGHT_END = time(2, 33)
+    
     p = None        # 子进程句柄
+
     while True:
         currentTime = datetime.now().time()
         recording = False
+
         # 判断当前处于的时间段
         if ((currentTime >= DAY_START and currentTime <= DAY_END) or
             (currentTime >= NIGHT_START) or
             (currentTime <= NIGHT_END)):
             recording = True
-        if (datetime.today().weekday() == 6 or (datetime.today().weekday() == 5 and
-            (currentTime > NIGHT_END)) or (datetime.today().weekday() == 0 and
-            currentTime < DAY_START )):
+            
+        # 过滤周末时间段：周六全天，周五夜盘，周日日盘
+        if ((datetime.today().weekday() == 6) or 
+            (datetime.today().weekday() == 5 and currentTime > NIGHT_END) or 
+            (datetime.today().weekday() == 0 and currentTime < DAY_START)):
             recording = False
+
         # 记录时间则需要启动子进程
         if recording and p is None:
             le.info(u'启动子进程')
             p = multiprocessing.Process(target=runChildProcess)
             p.start()
             le.info(u'子进程启动成功')
+
         # 非记录时间则退出子进程
         if not recording and p is not None:
             le.info(u'关闭子进程')
@@ -69,12 +84,10 @@ def runParentProcess():
             p.join()
             p = None
             le.info(u'子进程关闭成功')
+
         sleep(5)
 
 
 if __name__ == '__main__':
     #runChildProcess()
-    import sys
-    reload(sys)
-    sys.setdefaultencoding('UTF-8')
     runParentProcess()
diff --git a/vnpy/trader/app/ctaStrategy/ctaHistoryData.py b/vnpy/trader/app/ctaStrategy/ctaHistoryData.py
index dbe0394a..70caad34 100644
--- a/vnpy/trader/app/ctaStrategy/ctaHistoryData.py
+++ b/vnpy/trader/app/ctaStrategy/ctaHistoryData.py
@@ -17,7 +17,7 @@ from vnpy.data.datayes import DatayesApi
 from vnpy.trader.vtGlobal import globalSetting
 from vnpy.trader.vtConstant import *
 from vnpy.trader.vtObject import VtBarData
-from .ctaBase import SETTING_DB_NAME, TICK_DB_NAME, MINUTE_DB_NAME
+from .ctaBase import SETTING_DB_NAME, TICK_DB_NAME, MINUTE_DB_NAME, DAILY_DB_NAME
 
 
 # 以下为vn.trader和通联数据规定的交易所代码映射