From 02ac91af6f97b5df21a9f41a0a6b57729869de3c Mon Sep 17 00:00:00 2001
From: "vn.py" <vn.py@foxmail.com>
Date: Sun, 2 Dec 2018 13:44:50 +0800
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---
 vnpy/trader/app/spreadTrading/stEngine.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vnpy/trader/app/spreadTrading/stEngine.py b/vnpy/trader/app/spreadTrading/stEngine.py
index 43339eab..69bdd3ab 100644
--- a/vnpy/trader/app/spreadTrading/stEngine.py
+++ b/vnpy/trader/app/spreadTrading/stEngine.py
@@ -35,7 +35,7 @@ class StDataEngine(object):
         
         # 腿、价差相关字典
         self.legDict = {}                   # vtSymbol:StLeg
-        self.spreadDict = {}                # name:StSpread
+        self.spreadDict = OrderedDict()     # name:StSpread
         self.vtSymbolSpreadDict = {}        # vtSymbol:StSpread
         
         self.registerEvent()