diff --git a/vnpy/app/cta_strategy/engine.py b/vnpy/app/cta_strategy/engine.py
index 01c3d7c8..70cc54fb 100644
--- a/vnpy/app/cta_strategy/engine.py
+++ b/vnpy/app/cta_strategy/engine.py
@@ -271,7 +271,7 @@ class CtaEngine(BaseEngine):
         req = OrderRequest(
             symbol=contract.symbol,
             exchange=contract.exchange,
-            dierction=direction,
+            direction=direction,
             offset=offset,
             price_type=PriceType.LIMIT,
             price=price,