diff --git a/vn.trader/vtEngine.py b/vn.trader/vtEngine.py
index df52d756..45b7e709 100644
--- a/vn.trader/vtEngine.py
+++ b/vn.trader/vtEngine.py
@@ -141,6 +141,10 @@ class MainEngine(object):
     #----------------------------------------------------------------------
     def sendOrder(self, orderReq, gatewayName):
         """对特定接口发单"""
+        # 如果风控检查失败则不发单
+        if not self.rmEngine.checkRisk(orderReq):
+            return ''    
+        
         if gatewayName in self.gatewayDict:
             gateway = self.gatewayDict[gatewayName]
             return gateway.sendOrder(orderReq)
@@ -150,10 +154,6 @@ class MainEngine(object):
     #----------------------------------------------------------------------
     def cancelOrder(self, cancelOrderReq, gatewayName):
         """对特定接口撤单"""
-        # 如果风控检查失败则不发单
-        if not self.rmEngine.checkRisk(orderReq):
-            return ''        
-        
         if gatewayName in self.gatewayDict:
             gateway = self.gatewayDict[gatewayName]
             gateway.cancelOrder(cancelOrderReq)