From 76eda2f7b262eba400b2fa57d47e4bdd0df62ae3 Mon Sep 17 00:00:00 2001
From: msincenselee <incenselee@hotmail.com>
Date: Sat, 30 Nov 2019 10:43:48 +0800
Subject: [PATCH] =?UTF-8?q?[=E5=A2=9E=E5=BC=BA]=20=E5=A2=9E=E5=8A=A0?=
 =?UTF-8?q?=E4=BA=A4=E6=98=93=E6=97=A5?=
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---
 vnpy/trader/object.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/vnpy/trader/object.py b/vnpy/trader/object.py
index fd6c8bf6..42d25387 100644
--- a/vnpy/trader/object.py
+++ b/vnpy/trader/object.py
@@ -33,6 +33,9 @@ class TickData(BaseData):
     symbol: str
     exchange: Exchange
     datetime: datetime
+    date: str = ""      # '%Y-%m-%d'
+    time: str = ""      # '%H:%M:%S.%f'
+    trading_day: str = ""  # '%Y-%m-%d'
 
     name: str = ""
     volume: float = 0
@@ -84,9 +87,10 @@ class BarData(BaseData):
 
     symbol: str
     exchange: Exchange
-    datetime: datetime
+    datetime: datetime  # bar的开始时间
+    trading_day: str = ""  # '%Y-%m-%d'
 
-    interval: Interval = None
+    interval: Interval = None  # constant.py Internal 1m, 1h, 1d, 1w .etc
     volume: float = 0
     open_interest: float = 0
     open_price: float = 0