From 38338ddbc04748386ba16b5b9e752e61b1ace6d8 Mon Sep 17 00:00:00 2001
From: "vn.py" <vn.py@foxmail.com>
Date: Fri, 15 Dec 2017 20:22:55 +0800
Subject: [PATCH] [Fix]Close #643

---
 vnpy/trader/app/ctaStrategy/ctaTemplate.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vnpy/trader/app/ctaStrategy/ctaTemplate.py b/vnpy/trader/app/ctaStrategy/ctaTemplate.py
index 8a075d70..a460e8f1 100644
--- a/vnpy/trader/app/ctaStrategy/ctaTemplate.py
+++ b/vnpy/trader/app/ctaStrategy/ctaTemplate.py
@@ -192,7 +192,8 @@ class CtaTemplate(object):
     #----------------------------------------------------------------------
     def saveSyncData(self):
         """保存同步数据到数据库"""
-        self.ctaEngine.saveSyncData(self)
+        if self.trading:
+            self.ctaEngine.saveSyncData(self)
     
 
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