diff --git a/vnpy/trader/vtEngine.py b/vnpy/trader/vtEngine.py
index e86d2c8f..489a6dfd 100644
--- a/vnpy/trader/vtEngine.py
+++ b/vnpy/trader/vtEngine.py
@@ -113,9 +113,6 @@ class MainEngine(object):
         
         if gateway:
             gateway.connect()
-            
-            # 接口连接后自动执行数据库连接的任务
-            self.dbConnect()        
    
     #----------------------------------------------------------------------
     def subscribe(self, subscribeReq, gatewayName):