diff --git a/vnpy/app/cta_strategy/engine.py b/vnpy/app/cta_strategy/engine.py
index 901a7207..a28b4878 100644
--- a/vnpy/app/cta_strategy/engine.py
+++ b/vnpy/app/cta_strategy/engine.py
@@ -113,7 +113,7 @@ class CtaEngine(BaseEngine):
 
     def close(self):
         """"""
-        pass
+        self.stop_all_strategies()
 
     def register_event(self):
         """"""