From cd612e41d88e6f09aa377e40315ea0fb6b1064a5 Mon Sep 17 00:00:00 2001
From: "vn.py" <xiaoyou.chen@foxmail.com>
Date: Sat, 12 Oct 2019 18:37:41 +0800
Subject: [PATCH] [Mod] use net position for TapGateway

---
 vnpy/gateway/tap/tap_gateway.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/vnpy/gateway/tap/tap_gateway.py b/vnpy/gateway/tap/tap_gateway.py
index c4236e74..be29ebf7 100644
--- a/vnpy/gateway/tap/tap_gateway.py
+++ b/vnpy/gateway/tap/tap_gateway.py
@@ -464,6 +464,7 @@ class TradeApi(ITapTradeAPINotify):
                 product=Product.FUTURES,
                 size=commodity_info.size,
                 pricetick=commodity_info.pricetick,
+                net_position=True,
                 gateway_name=self.gateway.gateway_name
             )
             self.gateway.on_contract(contract)